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Top 50 Prospects: #36 – Brett Jackson

#36 Brett Jackson

Chicago Cubs

DOB: 8/2/1988

Previous Rank: 43

ETA: 2012

Jackson is hands-down the top player in the Cubs system, even after they drafted what some think was the highest upside bat in the 2011 draft in Javier Baez.  Jackson slashed .274/.379/.490 beginning the year in the Southern League and finishing up with a little over 200 plate appearances for Des Moines (Triple-A).

Year Age Tm Lg Lev G PA AB R H 2B 3B HR RBI SB CS BA
2009 20 3 Teams 3 Lgs A-A–Rk 53 249 211 50 67 6 3 8 36 13 2 .318
2009 20 Cubs ARIZ Rk 3 15 11 6 5 0 1 0 4 0 0 .455
2009 20 Boise NORW A- 24 106 88 14 29 1 1 1 15 2 1 .330
2009 20 Peoria MIDW A 26 128 112 30 33 5 1 7 17 11 1 .295
2010 21 2 Teams 2 Lgs A+-AA 128 580 491 103 146 32 14 12 66 30 11 .297
2010 21 Daytona FLOR A+ 67 312 263 56 83 19 8 6 38 12 7 .316
2010 21 Tennessee SOUL AA 61 268 228 47 63 13 6 6 28 18 4 .276
2011 22 2 Teams 2 Lgs AA-AAA 115 512 431 84 118 23 5 20 58 21 7 .274
2011 22 Tennessee SOUL AA 67 297 246 45 63 10 3 10 32 15 6 .256
2011 22 Iowa PCL AAA 48 215 185 39 55 13 2 10 26 6 1 .297
3 Seasons 296 1341 1133 237 331 61 22 40 160 64 20 .292
AA (2 seasons) AA 128 565 474 92 126 23 9 16 60 33 10 .266
A (1 season) A 26 128 112 30 33 5 1 7 17 11 1 .295
Rk (1 season) Rk 3 15 11 6 5 0 1 0 4 0 0 .455
A- (1 season) A- 24 106 88 14 29 1 1 1 15 2 1 .330
AAA (1 season) AAA 48 215 185 39 55 13 2 10 26 6 1 .297
A+ (1 season) A+ 67 312 263 56 83 19 8 6 38 12 7 .316
Provided by Baseball-Reference.com: View Original Table
Generated 11/26/2011.
Year Age Tm Lg Lev G PA AB HR RBI BB SO BA OBP SLG OPS TB
2009 20 3 Teams 3 Lgs A-A–Rk 53 249 211 8 36 31 56 .318 .418 .488 .906 103
2009 20 Cubs ARIZ Rk 3 15 11 0 4 3 4 .455 .533 .636 1.170 7
2009 20 Boise NORW A- 24 106 88 1 15 17 20 .330 .443 .398 .841 35
2009 20 Peoria MIDW A 26 128 112 7 17 11 32 .295 .383 .545 .927 61
2010 21 2 Teams 2 Lgs A+-AA 128 580 491 12 66 73 126 .297 .395 .493 .888 242
2010 21 Daytona FLOR A+ 67 312 263 6 38 43 63 .316 .420 .517 .937 136
2010 21 Tennessee SOUL AA 61 268 228 6 28 30 63 .276 .366 .465 .831 106
2011 22 2 Teams 2 Lgs AA-AAA 115 512 431 20 58 73 138 .274 .379 .490 .869 211
2011 22 Tennessee SOUL AA 67 297 246 10 32 45 74 .256 .373 .443 .816 109
2011 22 Iowa PCL AAA 48 215 185 10 26 28 64 .297 .388 .551 .939 102
3 Seasons 296 1341 1133 40 160 177 320 .292 .393 .491 .884 556
AA (2 seasons) AA 128 565 474 16 60 75 137 .266 .370 .454 .823 215
A (1 season) A 26 128 112 7 17 11 32 .295 .383 .545 .927 61
Rk (1 season) Rk 3 15 11 0 4 3 4 .455 .533 .636 1.170 7
A- (1 season) A- 24 106 88 1 15 17 20 .330 .443 .398 .841 35
AAA (1 season) AAA 48 215 185 10 26 28 64 .297 .388 .551 .939 102
A+ (1 season) A+ 67 312 263 6 38 43 63 .316 .420 .517 .937 136
Provided by Baseball-Reference.com: View Original Table
Generated 11/26/2011.
Year Age Tm Lg Lev G Ch PO A E DP Fld% RF/G
2009 20 3 Teams 3 Lgs A-A–Rk CF 47 102 97 2 3 0 .971 2.11
2009 20 Cubs ARIZ Rk CF 1 2 2 0 0 0 1.000 2.00
2009 20 Boise NORW A- CF 20 34 31 1 2 0 .941 1.60
2009 20 Peoria MIDW A CF 26 66 64 1 1 0 .985 2.50
2010 21 2 Teams 2 Lgs A+-AA CF 82 205 197 5 3 3 .985 2.46
2010 21 Daytona FLOR A+ CF 62 152 146 4 2 2 .987 2.42
2010 21 Tennessee SOUL AA RF 18 24 23 1 0 0 1.000 1.33
2010 21 Tennessee SOUL AA CF 20 53 51 1 1 1 .981 2.60
2010 21 Tennessee SOUL AA LF 17 20 19 1 0 0 1.000 1.18
2011 22 2 Teams 2 Lgs AA-AAA CF 105 264 248 10 6 1 .977 2.46
2011 22 2 Teams 2 Lgs AAA-AA DH 4 0.00
2011 22 2 Teams 2 Lgs AA-AAA OF 110 270 253 11 6 1 .978 2.40
2011 22 Tennessee SOUL AA LF 2 0 0 0 0 0 0.00
2011 22 Tennessee SOUL AA CF 60 136 130 2 4 0 .971 2.20
2011 22 Tennessee SOUL AA RF 6 6 5 1 0 0 1.000 1.00
2011 22 Tennessee SOUL AA DH 2 0.00
2011 22 Tennessee SOUL AA OF 65 142 135 3 4 0 .972 2.12
2011 22 Iowa PCL AAA CF 45 128 118 8 2 1 .984 2.80
2011 22 Iowa PCL AAA DH 2 0.00
2011 22 Iowa PCL AAA OF 45 128 118 8 2 1 .984 2.80
3 Seasons 278 621 589 20 12 4 .981 2.19
CF (3 seasons) CF 234 571 542 17 12 4 .979 2.39
RF (2 seasons) RF 24 30 28 2 0 0 1.000 1.25
DH (1 season) DH 4 0.00
LF (2 seasons) LF 19 20 19 1 0 0 1.000 1.05
OF (1 season) OF 110 270 253 11 6 1 .978 2.40
Provided by Baseball-Reference.com: View Original Table
Generated 11/26/2011.

Jackson is a phenomenal athlete at 6-foot-2 and 210-pounds.  He posted a 20 home run/21 stolen base season in 2011 while walking 73 times in just over 500 plate appearances.  He strikes out too much, but the power numbers justify it to some extent.  As a 60-speed guy, Jackson has plenty to stay in center and challenge for 20 stolen bases in The Show.  With a 50 to 55 arm, he has a chance to be an above-average CF for years.

His speed plays well on the bases and should for at least a few years as he was successful in over 75% of his stolen base opportunities.  Jackson, despite having no obvious barrier in the way of playing time at the Big League level, still might end up starting 2012 in Triple-A.  The Cubs have once again managed to load up their outfield with overpaid trash in the form of Alfonso Soriano and Marlon Byrd and, if they decide to give a guy like Tyler Colvin or one of these two old-timers a starting job, Jackson will return to Des Moines and destroy Minor League pitchers until Theo decides to get serious.  As it is, he has nothing left to prove in our eyes and is more than ready to take his talent to Wrigley.

Top 50 Prospects: #37 – Will Middlebrooks

#37 Will Middlebrooks

Boston Red Sox

DOB: 9/9/1988

Previous Rank: NR

ETA: 2012

Middlebrooks collected most of his at-bats for Double-A Portland in 2011.  As a 22-year-old across three levels, including 16 games in the International League, Middlebrooks slashed .285/.328/.506.  Obviously from those numbers, plate discipline is a big issue with Middlebrooks because he does not really have any.  He only walked 26 times in over 450 plate appearances, and that kind of reckless use of his time at the dish makes predicting offensive success in the AL East pretty tough.

Year Age Tm Lg Lev G PA AB R H 2B 3B HR RBI SB CS BA
2008 19 Lowell NYPL A- 59 226 209 21 53 17 2 1 21 10 0 .254
2009 20 Greenville SALL A 103 427 374 53 99 25 3 7 57 7 4 .265
2010 21 Salem CARL A+ 114 481 435 69 120 31 2 12 70 5 3 .276
2011 22 3 Teams 3 Lgs AA-AAA-A- 116 472 439 62 125 26 1 23 94 10 1 .285
2011 22 Lowell NYPL A- 4 15 12 4 4 1 0 3 6 1 0 .333
2011 22 Portland EL AA 96 397 371 54 112 25 1 18 80 6 0 .302
2011 22 Pawtucket IL AAA 16 60 56 4 9 0 0 2 8 3 1 .161
4 Seasons 392 1606 1457 205 397 99 8 43 242 32 8 .272
A- (2 seasons) A- 63 241 221 25 57 18 2 4 27 11 0 .258
A (1 season) A 103 427 374 53 99 25 3 7 57 7 4 .265
AA (1 season) AA 96 397 371 54 112 25 1 18 80 6 0 .302
AAA (1 season) AAA 16 60 56 4 9 0 0 2 8 3 1 .161
A+ (1 season) A+ 114 481 435 69 120 31 2 12 70 5 3 .276
Provided by Baseball-Reference.com: View Original Table
Generated 11/25/2011.
Year Age Tm Lg Lev G PA AB HR RBI BB SO BA OBP SLG OPS TB
2008 19 Lowell NYPL A- 59 226 209 1 21 12 73 .254 .298 .368 .666 77
2009 20 Greenville SALL A 103 427 374 7 57 48 123 .265 .349 .404 .753 151
2010 21 Salem CARL A+ 114 481 435 12 70 35 121 .276 .331 .439 .770 191
2011 22 3 Teams 3 Lgs AA-AAA-A- 116 472 439 23 94 26 114 .285 .328 .506 .834 222
2011 22 Lowell NYPL A- 4 15 12 3 6 2 1 .333 .400 1.167 1.567 14
2011 22 Portland EL AA 96 397 371 18 80 21 95 .302 .345 .520 .865 193
2011 22 Pawtucket IL AAA 16 60 56 2 8 3 18 .161 .200 .268 .468 15
4 Seasons 392 1606 1457 43 242 121 431 .272 .330 .440 .770 641
A- (2 seasons) A- 63 241 221 4 27 14 74 .258 .304 .412 .716 91
A (1 season) A 103 427 374 7 57 48 123 .265 .349 .404 .753 151
AA (1 season) AA 96 397 371 18 80 21 95 .302 .345 .520 .865 193
AAA (1 season) AAA 16 60 56 2 8 3 18 .161 .200 .268 .468 15
A+ (1 season) A+ 114 481 435 12 70 35 121 .276 .331 .439 .770 191
Provided by Baseball-Reference.com: View Original Table
Generated 11/25/2011.
Year Age Tm Lg Lev Aff G Ch PO A E DP Fld% RF/G
2008 19 Lowell NYPL A- BOS 3B 55 123 32 82 9 4 .927 2.07
2009 20 Greenville SALL A BOS 3B 91 211 53 144 14 11 .934 2.16
2010 21 Salem CARL A+ BOS 3B 106 345 73 253 19 29 .945 3.08
2011 22 2 Teams 2 Lgs AA-AAA BOS 3B 99 240 65 159 16 8 .933 2.26
2011 22 3 Teams 3 Lgs AA-A–AAA BOS DH 17 0.00
2011 22 Lowell NYPL A- BOS DH 4 0.00
2011 22 Portland EL AA BOS 3B 85 204 55 136 13 8 .936 2.25
2011 22 Portland EL AA BOS DH 11 0.00
2011 22 Pawtucket IL AAA BOS 3B 14 36 10 23 3 0 .917 2.36
2011 22 Pawtucket IL AAA BOS DH 2 0.00
4 Seasons 368 919 223 638 58 52 .937 2.34
3B (4 seasons) 3B 351 919 223 638 58 52 .937 2.45
DH (1 season) DH 17 0.00
Provided by Baseball-Reference.com: View Original Table
Generated 11/25/2011.

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Top 50 Prospects: #38 – Wil Myers

#38 Wil Myers

Kansas City Royals

DOB: 12/10/1990

Previous Rank: 15

ETA: 2013

Myers was ranked considerably higher last year, but a tough season in the Texas League as a 20-year-old has knocked him back a bit.  A triple slash line of .254/.353/.393 wouldn’t look nearly as bad if he was still behind the dish, but those numbers from a corner guy are far less impressive.  Nevertheless, he was a 20-year old in a very advanced league for someone that age, and all of the tools are still present.  Additionally he missed about a month of the first half due to a freak knee injury.

Year Age Tm Lg Lev G PA AB R H 2B 3B HR RBI SB CS BA
2009 18 2 Teams 2 Lgs Rk 22 96 84 19 31 7 2 5 18 2 0 .369
2009 18 Idaho Falls PION Rk 18 80 68 18 29 7 1 4 14 2 0 .426
2009 18 Burlington APPY Rk 4 16 16 1 2 0 1 1 4 0 0 .125
2010 19 2 Teams 2 Lgs A-A+ 126 541 447 70 141 37 3 14 83 12 6 .315
2010 19 Burlington MIDW A 68 294 242 42 70 19 1 10 45 10 3 .289
2010 19 Wilmington CARL A+ 58 247 205 28 71 18 2 4 38 2 3 .346
2011 20 Northwest Arkansas TL AA 99 416 354 50 90 23 1 8 49 9 2 .254
3 Seasons 247 1053 885 139 262 67 6 27 150 23 8 .296
Rk (1 season) Rk 22 96 84 19 31 7 2 5 18 2 0 .369
A (1 season) A 68 294 242 42 70 19 1 10 45 10 3 .289
AA (1 season) AA 99 416 354 50 90 23 1 8 49 9 2 .254
A+ (1 season) A+ 58 247 205 28 71 18 2 4 38 2 3 .346
Provided by Baseball-Reference.com: View Original Table
Generated 11/24/2011.
Year Age Tm Lg Lev G PA AB HR RBI BB SO BA OBP SLG OPS TB
2009 18 2 Teams 2 Lgs Rk 22 96 84 5 18 9 18 .369 .427 .679 1.106 57
2009 18 Idaho Falls PION Rk 18 80 68 4 14 9 15 .426 .488 .735 1.223 50
2009 18 Burlington APPY Rk 4 16 16 1 4 0 3 .125 .125 .438 .563 7
2010 19 2 Teams 2 Lgs A-A+ 126 541 447 14 83 85 94 .315 .429 .506 .934 226
2010 19 Burlington MIDW A 68 294 242 10 45 48 55 .289 .408 .500 .908 121
2010 19 Wilmington CARL A+ 58 247 205 4 38 37 39 .346 .453 .512 .966 105
2011 20 Northwest Arkansas TL AA 99 416 354 8 49 52 87 .254 .353 .393 .745 139
3 Seasons 247 1053 885 27 150 146 199 .296 .399 .477 .876 422
Rk (1 season) Rk 22 96 84 5 18 9 18 .369 .427 .679 1.106 57
A (1 season) A 68 294 242 10 45 48 55 .289 .408 .500 .908 121
AA (1 season) AA 99 416 354 8 49 52 87 .254 .353 .393 .745 139
A+ (1 season) A+ 58 247 205 4 38 37 39 .346 .453 .512 .966 105
Provided by Baseball-Reference.com: View Original Table
Generated 11/24/2011.
Year Age Tm Lg Lev G Ch PO A E DP Fld% RF/G CS%
2009 18 2 Teams 2 Lgs Rk C 11 109 94 14 1 1 .991 9.82 42%
2009 18 Idaho Falls PION Rk C 9 92 78 13 1 1 .989 10.11 45%
2009 18 Burlington APPY Rk C 2 17 16 1 0 0 1.000 8.50 0%
2010 19 2 Teams 2 Lgs A-A+ C 75 574 503 66 5 2 .991 7.59 32%
2010 19 Burlington MIDW A C 47 365 318 43 4 2 .989 7.68 34%
2010 19 Wilmington CARL A+ C 28 209 185 23 1 0 .995 7.43 26%
2011 20 Northwest Arkansas TL AA LF 6 14 14 0 0 0 1.000 2.33
2011 20 Northwest Arkansas TL AA CF 13 30 29 0 1 0 .967 2.23
2011 20 Northwest Arkansas TL AA RF 75 158 148 4 6 1 .962 2.03
2011 20 Northwest Arkansas TL AA DH 4 0.00
2011 20 Northwest Arkansas TL AA OF 94 202 191 4 7 1 .965 2.07
3 Seasons 184 885 788 84 13 4 .985 4.74 33%
C (2 seasons) C 86 683 597 80 6 3 .991 7.87 33%
CF (1 season) CF 13 30 29 0 1 0 .967 2.23
RF (1 season) RF 75 158 148 4 6 1 .962 2.03
DH (1 season) DH 4 0.00
LF (1 season) LF 6 14 14 0 0 0 1.000 2.33
OF (1 season) OF 94 202 191 4 7 1 .965 2.07
Provided by Baseball-Reference.com: View Original Table
Generated 11/24/2011.

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Top 50 Prospects: #39 – Taijuan Walker

#39 Taijuan Walker

Seattle Mariners

DOB: 8/13/1992

Previoius Rank: N/R

ETA: 2014

Walker was Seattle’s first pick in the 2010 draft, and the 6-foot-4 right-hander had a terrific first professional season in the Midwest League (A).  He threw up a sub-3.00 ERA with 113 strikeouts against 39 walks.  He only allowed four jacks in nearly 100 innings of work and has a chance to be a very fast mover in hopes of reaching the Bigs in time to join Felix Hernandez, Michael Pineda, and Danny Hultzen at Safeco.

Year Age Tm Lg Lev Aff W L W-L% ERA G GS CG IP BB SO
2010 17 Mariners ARIZ Rk SEA 1 1 .500 1.29 4 0 0 7.0 3 9
2011 18 Clinton MIDW A SEA 6 5 .545 2.89 18 18 1 96.2 39 113
2 Seasons 7 6 .538 2.78 22 18 1 103.2 42 122
Provided by Baseball-Reference.com: View Original Table
Generated 11/22/2011.
Year Age Tm Lg Lev Aff W L ERA IP WHIP H/9 HR/9 BB/9 SO/9 SO/BB
2010 17 Mariners ARIZ Rk SEA 1 1 1.29 7.0 0.714 2.6 0.0 3.9 11.6 3.00
2011 18 Clinton MIDW A SEA 6 5 2.89 96.2 1.117 6.4 0.4 3.6 10.5 2.90
2 Seasons 7 6 2.78 103.2 1.090 6.2 0.3 3.6 10.6 2.90
Provided by Baseball-Reference.com: View Original Table
Generated 11/22/2011.

Walker is extremely athletic with loads of projection and a fastball that reaches the high-90s.  With a big downer curve that receives consistent plus to double-plus gradings, Walker already has at least two plus pitches.  His changeup is way behind the other two pitches, but Walker is already making huge strides in terms of command and clearly seems to understand what it means to pitch.  The addition of an average or better changeup could see Walker land in the Show by 2013 so long as he breezes through the high Minors like he has with Class A.

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Video: Bryce Harper adjusts stride, load at the plate

 

As you can see, Bryce Harper has fine-tuned his swing since making his professional debut in the Arizona Fall League in 2010.  Gone is the last minute, inward-foot-turn load.  Now, Harper has a more traditional stride and load that I would assume allows him to drive more off-speed and outer-half offerings.  But just because he’s made adjustments doesn’t mean he’s sacrificed any of his robust power.  From what I can see, and from what his Minor League and Arizona Fall League stats indicate, his power is just as ridiculous, if not more ridiculous – if that’s even possible.  All I know is that I can’t wait for Spring Training to roll around so that the “is Bryce Harper ready for the Major Leagues?” debate once again consumes the baseball world.