 Following his freshman season at Tennessee, Senzel played collegiate summer baseball for the Mat-Su Miners of the Alaska Baseball League, where he batted 17-for-81 (.210) with three home runs and 13 RBIs.As a sophomore in 2015, Senzel batted .325 with a .495 SLG, 4 home runs, and 28 RBIs.That summer, Senzel was selected by Brewster Whitecaps of the Cape Cod Baseball League to play for the summer.