Rapoza quickly established himself as the Pheasants setup reliever in 2010. Most of his 36 appearances came in the eighth inning. He held the opposition scoreless in 28 of those outings. Rapoza finished with a second-best 2.65 ERA on the team and kept enemy hitters to a .265 average. He was a 2008 draft pick of the Milwaukee Brewers and played at their rookie and Class A levels before joining the Pheasants.