Babson College

One of the top pitchers in program history, Kosow ranks first all-time in strikeouts (194), second in both complete games (12) and saves (10), fourth in relief appearances (44) and eighth in earned run average (2.70) and innings pitched (180.1). He made a single-season Babson record 24 appearances out of the bullpen as a sophomore in 2002 before recording nine wins and 12 complete games over 15 starts in his final two seasons culminating with the Beavers capturing their first NEWMAC Tournament crown and making their NCAA Tournament debut in 2004. 
 
A 2004 American Baseball Coaches Association (ABCA) All-New England selection and two-time All-NEWMAC honoree, Kosow was picked by the Chicago Cubs in the 27th round of the 2004 Major League Baseball amateur draft.