John Koronka is a left-handed pitcher for the Lancaster Barnstormers.

In MLB, John Koronka has appeared in 31 games (158.1 IP) with a 6.25 ERA, a 1.63 WHIP, and 4.38 strikeouts per nine innings, on 77 strikeouts and 67 walks. In AAA, John Koronka has appeared in 122 games (638.2 IP) with a 4.51 ERA, a 1.53 WHIP, and 5.88 strikeouts per nine innings, on 417 strikeouts and 253 walks.

John Koronka's most recent tracked outing on netpitch was May 31, 2010 (AAA 2010).

Use the interactive dashboard above to break down John Koronka's pitch mix, velocity, command, sequencing, count leverage, and damage-risk trends across every tracked MLB and AAA appearance.