 Kammeyer pitched in seven games for the Yankees in 1978, posting an earned run average of 5.82 with 11 strikeouts in 21.2 innings pitched.In 1979, he appeared in just one major league game, in which he gave up 8 earned runs without recording an out, a single-season record.In 1980, he was named the Pitcher of the Year for the International League while pitching for the Columbus Clippers.