 He was a spot starter and reliever with Boston during three seasons and pitched his last game at the age of 41.In a fifteen-season major league career, Walberg posted a 155–141 record with 1085 strikeouts and a 4.16 ERA in 2,644 innings, including 15 shutouts and 140 complete games.Walberg surrendered 17 home runs to Babe Ruth, more than any other pitcher.