Billy Wagner called his tenure with the Houston Astros "the best part" of his career in an emotional speech while accepting induction Sunday to the National Baseball Hall of Fame in Cooperstown, N.Y .

Billy Wagner spent his first nine seasons in the majors with the Astros, who received a special recognition in his Hall of Fame speech.

Billy Wagner pitched 853 Major League games in his career without starting a single one. On Sunday, he opened the National Baseball Hall of Fame induction ceremony in which he, CC Sabathia, Ichiro Suzuki,