after giving up five hits and two runs in two innings of a spring training game, he retired permanently. palmer said that he tore his hamstring while warming up for the game, commenting, "i'm not saying i wouldn't like to continue, but i can't", he said. "i heard something pop in my leg yesterday. it wasn't a nice sound. i don't know what that means, but i think it's going to play havoc with my tennis game." he retired with a 268–152 win-loss record and a 2.86 era.