IP 158
ERA 6.266
WHIP 1.633
BB/9 3.816
SO/9 4.386
  • Full name John Vincent Koronka
  • Born 07/03/1980 in Clearwater, FL
  • Profile Ht.: 6'0" / Wt.: 200 / Bats: L / Throws: L
  • School Southlake
  • Debut 06/01/2005
  • Drafted in the 12th round (350th overall) by the Cincinnati Reds in 1998.

Top Rankings

Organization Prospect Rankings

Best Tools List

  • Rated Best Changeup in the Chicago Cubs in 2006

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