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Son
Kerr		  
Bats: Both
Throws: Right
Height: 6' 4''
Weight: 210
 
Born: August 11, 1986 in USA
 
Awards & Accomplishments
All-Star Selections 2023   
Ratings - Pitching     Help
  ERA AVG 2B 3B HR BB SO
Year Age Tm Lg Salary   OA vL vR OA vL vR OA vL vR OA vL vR OA vL vR OA vL vR OA
2005 18 LAS GL     0 0 0 0 1 2 2 6 6 6 0 1 0 5 6 5 4 4 4
2006 19 GRN VL     0 0 1 0 2 3 2 6 6 6 0 1 1 5 6 6 6 5 6
2007 20 GRN VL     0 1 2 2 2 3 2 6 6 6 0 1 1 6 6 6 9 8 8
2008 21 GRN VL     1 3 4 4 2 3 2 6 6 6 2 3 2 7 7 7 10 9 9
2009 22 GRN VL     5 5 6 6 2 3 2 6 6 6 3 4 3 8 8 8 10 10 10
2010 23 GRN VL $ 100,000   7 5 7 6 2 3 2 6 6 6 4 5 4 8 8 8 10 10 10
2011 24 GRN VL $ 100,000   7 6 7 6 2 3 3 6 6 6 4 6 5 8 8 8 10 10 10
2012 25 GRN VL $ 100,000   7 5 7 6 3 3 3 6 6 6 7 8 7 8 8 8 10 10 10
2013 26 GRN VL $ 100,000   9 6 7 6 3 4 3 6 6 6 8 9 8 8 9 9 10 10 10
2014 27 GRN VL $ 100,000   9 6 8 7 3 4 3 6 6 6 9 10 9 8 9 9 10 10 10
2015 28 GRN VL $ 1,700,000   9 6 7 7 3 4 4 6 6 6 8 9 9 8 8 8 11 10 10
2016 29 MON VL $ 1,700,000   8 6 7 6 3 4 4 6 6 6 8 9 9 8 8 8 10 10 10
2017 30 MON VL $ 1,700,000   8 6 7 6 3 4 3 6 6 6 8 9 9 8 8 8 11 11 11
2018 31 CAP VL $ 1,500,000   9 6 7 6 4 4 4 6 6 6 9 10 9 8 8 8 11 11 11
2019 32 CAP VL $ 1,500,000   8 6 7 6 4 4 4 6 6 6 8 9 9 8 8 8 12 11 11
2020 33 CAP VL $ 1,500,000   9 6 7 6 4 4 4 6 6 6 9 10 9 8 8 8 11 11 11
2021 34 ATL GL $ 2,500,000   9 6 7 7 4 5 4 6 6 6 9 10 9 8 8 8 12 11 11
2022 35 ATL GL $ 2,500,000   8 6 7 6 3 4 3 6 6 6 8 9 9 7 8 7 11 11 11
2023 36 ATL GL $ 2,500,000   7 5 7 6 2 3 3 6 6 6 8 9 8 6 7 7 11 10 10
2024 37 DES GL $ 1,440,000   5 4 6 5 2 3 2 6 6 6 7 8 8 6 6 6 8 8 8
2025 38 DES GL $ 1,440,000   0 2 4 3 2 3 2 6 6 6 6 7 6 4 5 4 6 5 5
Min Ratings     0 0 0 0 1 2 2 6 6 6 0 1 0 4 5 4 4 4 4
Max Ratings $ 2,500,000   9 6 8 7 4 5 4 6 6 6 9 10 9 8 9 9 12 11 11
Ratings - Batting     Help
  AVG 2B 3B HR BB SO
Year Age Tm Lg Salary vL vR OA vL vR OA vL vR OA vL vR OA vL vR OA vL vR OA
2005 18 LAS GL   0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2006 19 GRN VL   0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2007 20 GRN VL   0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2008 21 GRN VL   0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2009 22 GRN VL   0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2010 23 GRN VL $ 100,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2011 24 GRN VL $ 100,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2012 25 GRN VL $ 100,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2013 26 GRN VL $ 100,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2014 27 GRN VL $ 100,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2015 28 GRN VL $ 1,700,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2016 29 MON VL $ 1,700,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2017 30 MON VL $ 1,700,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2018 31 CAP VL $ 1,500,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2019 32 CAP VL $ 1,500,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2020 33 CAP VL $ 1,500,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2021 34 ATL GL $ 2,500,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2022 35 ATL GL $ 2,500,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2023 36 ATL GL $ 2,500,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2024 37 DES GL $ 1,440,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
2025 38 DES GL $ 1,440,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
Min Ratings   0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
Max Ratings $ 2,500,000 0 0 0 3 3 3 1 1 1 1 1 1 3 3 3 1 1 1
Pitching Stats     Help
Bold lines indicate player won Most Valuable Pitcher or Rookie of the Year.
Year Age Tm Lg W L Pct G GS CG SHO SV IP H ER HR BB SO ERA OAVG OOBP OSLG OOPS PWS
2005 18 A   2 2 .500 18 0 0 0 0 21.3 18 5 3 3 15 2.11 .225 .253 .388 .641  
2006 19 A   7 4 .636 53 1 0 0 0 63.7 44 16 7 12 33 2.26 .199 .240 .321 .562  
2007 20 AA   2 2 .500 40 0 0 0 0 58.3 60 24 4 23 60 3.70 .271 .340 .430 .770  
2008 21 AAA   0 0 .000 9 0 0 0 0 10.0 10 8 2 4 6 7.20 .270 .341 .595 .936  
    AA   2 7 .222 54 11 0 0 0 91.7 101 63 17 27 124 6.19 .280 .330 .557 .887  
2009 22 AAA   8 3 .727 49 0 0 0 0 54.3 59 32 14 11 82 5.30 .276 .311 .570 .881  
2010 23 GRN VL 5 2 .714 71 1 0 0 2 126.3 116 55 24 27 136 3.92 .242 .293 .466 .758 9.0
2011 24 GRN VL 2 6 .250 64 0 0 0 1 65.3 63 30 7 15 62 4.13 .251 .301 .454 .755 4.2
2012 25 GRN VL 9 4 .692 94 0 0 0 4 145.7 121 56 16 23 139 3.46 .222 .266 .395 .662 13.1
2013 26 GRN VL 6 4 .600 69 0 0 0 39 81.3 69 17 2 18 77 1.88 .229 .282 .349 .631 16.1
2014 27 GRN VL 8 11 .421 81 0 0 0 21 104.0 100 46 4 20 102 3.98 .248 .301 .379 .680 9.9
2015 28 GRN VL 7 5 .583 72 0 0 0 22 99.7 80 32 1 24 89 2.89 .219 .286 .318 .604 15.4
2016 29 GRN VL 4 4 .500 40 0 0 0 1 65.7 77 27 5 12 53 3.70 .288 .318 .446 .764 5.1
  MON VL 2 2 .500 27 0 0 0 2 35.3 34 11 2 6 32 2.80 .246 .278 .384 .662 3.3
  TOT   6 6 .500 67 0 0 0 3 101.0 111 38 7 18 85 3.39 .274 .304 .425 .729 8.4
2017 30 MON VL 9 11 .450 68 0 0 0 29 80.7 78 38 3 22 64 4.24 .250 .303 .359 .662 9.7
2018 31 CAP VL 5 9 .357 77 0 0 0 21 124.0 122 50 9 22 127 3.63 .253 .292 .388 .680 10.5
2019 32 CAP VL 9 5 .643 93 0 0 0 8 153.0 146 48 3 35 136 2.82 .247 .294 .334 .628 14.8
2020 33 CAP VL 8 4 .667 88 0 0 0 16 142.7 127 47 6 38 148 2.97 .237 .291 .353 .644 17.0
2021 34 ATL GL 5 5 .500 75 0 0 0 15 94.3 118 54 3 33 95 5.15 .305 .363 .413 .777 4.9
2022 35 ATL GL 9 6 .600 73 0 0 0 4 113.0 114 55 6 36 110 4.38 .261 .322 .389 .711 7.5
2023 36 ATL GL 9 4 .692 83 0 0 0 4 120.7 109 37 4 33 100 2.76 .243 .294 .362 .655 12.4
2024 37 DES GL 8 3 .727 78 0 0 0 1 112.7 128 48 6 61 92 3.83 .283 .371 .412 .782 8.7
2025 38 DES GL 6 5 .545 90 0 0 0 1 81.3 113 59 12 66 33 6.53 .325 .433 .529 .961 0.7
16 Years Sim 111 90 .552 1243 1 0 0 191 1745.6 1715 710 113 491 1595 3.66 .254 .311 .392 .704 162.3
2 Years AAA 8 3 .727 58 0 0 0 0 64.3 69 40 16 15 88 5.60 .275 .316 .574 .889  
2 Years AA 4 9 .308 94 11 0 0 0 150.0 161 87 21 50 184 5.22 .277 .334 .509 .842  
2 Years A 9 6 .600 71 1 0 0 0 85.0 62 21 10 15 48 2.22 .206 .244 .339 .583  
6 Years Minors 21 18 .538 223 12 0 0 0 299.3 292 148 47 80 320 4.45 .257 .306 .478 .784  
Season Average 6 5 .545 77 0 0 0 11 109.1 107 44 7 30 99 3.66 .254 .311 .392 .704  
Career Highs 9 11 .727 94 1 0 0 39 153.0 146 59 24 66 148 6.53 .325 .433 .529 .961  
Career Pitching Splits     Help
Pitching split data is from simmed, major league years only.
Click on a Category to view yearly stats.
Category W L Pct G GS CG SHO SV IP H ER HR BB SO ERA OAVG OOBP OSLG OOPS
vs RH   1012 409 52 241 934   .247 .289 .370 .658
vs LH   703 301 61 250 661   .266 .330 .428 .758
Home 71 43 .623 643 0 0 0 89 950.6 921 382 69 249 866 3.62 .252 .299 .401 .701
Away 40 47 .460 600 1 0 0 104 794.9 794 328 44 242 729 3.71 .258 .312 .382 .693
Mar/Apr 19 17 .528 196 0 0 0 44 266.3 281 120 19 86 234 4.06 .268 .323 .410 .733
May 23 15 .605 204 0 0 0 24 293.0 301 112 23 73 274 3.44 .263 .307 .399 .707
June 19 17 .528 189 0 0 0 30 272.6 273 113 15 80 254 3.73 .257 .309 .405 .714
July 16 7 .696 161 0 0 0 28 234.6 216 88 12 56 214 3.38 .242 .287 .377 .664
August 14 16 .467 198 1 0 0 30 276.0 259 126 17 76 253 4.11 .245 .296 .370 .666
Sep/Oct 20 18 .526 295 0 0 0 37 402.9 385 151 27 120 366 3.37 .250 .305 .391 .696
Batting Stats     Help
Bold lines indicate player won Most Valuable Player or Rookie of the Year.
Year Age Tm Lg G AB R H 2B 3B HR RBI SB CS BB SO AVG OBP SLG OPS XR OWS
2005 18 A   16 3 3 1 0 0 0 0 1 0 0 0 .333 .333 .333 .667 0.5  
2008 21 AA   12 4 2 0 0 0 0 0 1 1 0 1 .000 .000 .000 .000 -0.5  
2012 25 GRN VL 1 1 1 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 -0.1 0.0
1 Years Sim 1 1 1 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 -0.1 0.0
1 Years AA 12 4 2 0 0 0 0 0 1 1 0 1 .000 .000 .000 .000 -0.5  
1 Years A 16 3 3 1 0 0 0 0 1 0 0 0 .333 .333 .333 .667 0.5  
2 Years Minors 28 7 5 1 0 0 0 0 2 1 0 1 .143 .143 .143 .286 0.0  
162 Game Average 162 162 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 -14.6  
Career Batting Splits     Help
Batting split data is from simmed, major league years only.
Click on a Category to view yearly stats.
Category G AB R H 2B 3B HR RBI SB CS BB SO AVG OBP SLG OPS XR
vs RH   1 1 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 -0.1
Away 1 1 1 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 -0.1
RISP   1 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 -0.1
Close/Late   1 1 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 -0.1
August 1 1 1 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 -0.1
Fielding Stats     Help
Bold lines indicate player won Slick Fielder Award.
Year Age Tm Lg Pos G GS IP PO A E DP FPct RF    
2010 23 GRN VL P 71 1 126.3 6 18 1 1 .960 1.71    
2011 24 GRN VL P 64 0 65.3 3 11 1 2 .933 1.93    
2012 25 GRN VL P 94 0 145.7 12 24 1 1 .973 2.22    
    RF 1 0 2.3 1 0 0 0 1.000 3.86   0.0
2013 26 GRN VL P 69 0 81.3 3 15 3 2 .857 1.99    
2014 27 GRN VL P 81 0 104.0 11 15 1 2 .963 2.25    
2015 28 GRN VL P 72 0 99.7 5 14 0 2 1.000 1.72    
2016 29 GRN VL P 40 0 65.7 5 9 0 1 1.000 1.92    
  MON VL P 27 0 35.3 3 5 0 0 1.000 2.04    
  TOT   P 67 0 101.0 8 14 0 1 1.000 1.96    
2017 30 MON VL P 68 0 80.7 5 11 1 1 .941 1.79    
2018 31 CAP VL P 77 0 124.0 7 16 2 1 .920 1.67    
2019 32 CAP VL P 93 0 153.0 12 25 6 2 .860 2.18    
2020 33 CAP VL P 88 0 142.7 14 29 0 2 1.000 2.71    
2021 34 ATL GL P 75 0 94.3 3 10 1 0 .929 1.24    
2022 35 ATL GL P 73 0 113.0 8 17 2 2 .926 1.99    
2023 36 ATL GL P 83 0 120.7 11 21 1 2 .970 2.39    
2024 37 DES GL P 78 0 112.7 4 19 2 1 .920 1.84    
2025 38 DES GL P 90 0 81.3 4 18 2 0 .917 2.43    
  P 1243 1 1745.6 116 277 24 22 .942 2.03    
  RF 1 0 2.3 1 0 0 0 1.000 3.86   0.0
Career Totals   1244 1 1747.9 117 277 24 22 .943 2.03    
Career Highs   95 1 153.0 14 29 6 2 1.000 2.71    
Post-Season Pitching Stats     Help
Year Age Tm Lg W L Pct G GS CG SHO SV IP H ER HR BB SO ERA OAVG OOBP OSLG OOPS
2016 29 MON VL 0 0 .000 2 0 0 0 0 4.0 4 0 0 1 2 0.00 .267 .313 .267 .579
2017 30 MON VL 1 1 .500 10 0 0 0 2 14.0 16 9 0 9 13 5.79 .291 .391 .345 .736
Career Post-Season Pitching 1 1 .500 12 0 0 0 2 18.0 20 9 0 10 15 4.50 .286 .375 .329 .704
Pitching Leaderboards     Help
Top 10 finishes. Stats are Year-Rank-Value. League leaders are in bold.
Season Rankings are League Based.
Saves
2013-2-39
2017-8-29
CAR-43-191
 Games Pitched
2012-2-94
2014-7-81
2019-1-93
2020-4-88
2023-6-83
2025-5-90
CAR-8-1243
 Strikeouts per 9IP
CAR-34-8.2
      
 
   Black Ink Test: 1    (Avg Pitcher in HOF ~ 23)
   Gray Ink Test: 12    (Avg Pitcher in HOF ~ 102)
   Hall of Fame Standards: 27    (Avg Pitcher in HOF ~ 50)
 
Similar Pitchers     What are Similarity Scores?

  1. Juan Gallegos (914)
  2. Kevin Solem (910)
  3. James Gonsalves (903)
  4. Albert Sanchez (901)
  5. Joseph Hearon (900)
  6. Jason Lindsey (885)
  7. Daniel Pegues (883)
  8. Jakku Tsunayoshi (879)
  9. Joel Montoya (869)
  10. James Branan (859)
History
Drafted in 3rd round, 92nd overall pick, by Las Vegas in 2005
Traded from Las Vegas to Greenbelt on 3/2/2006
Earned first career win on 4/17/2010
 
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