In 2013, Kevin was a offensive juggernaut for the Evansville Aces. He posted a .350 batting average, with 14 doubles, 3 triples, 79 hits, 31 RBI, 47 runs, and .518 slugging percentage, all of which led the team. In 2012, Kaczmarski became the 10th player in Evansville history to earn Louisville Slugger Freshman All-America honors.  He was also Second Team All-Missouri Valley, recording 152 putouts, and a perfect fielding percentage. Also recorded a nine-game hitting streak in 2012. He played for the Bucks last summer and was voted Team MVP while leading the team in home runs and was second in batting average.