He partnered with American tennis star Bobby Riggs .
He organized a post-season barnstorming tour of 32 North American cities featuring 36 big - league stars , playing in an American League vs. National League format .
Partnering with American tennis star Bobby Riggs , he organized a post-season barnstorming tour of 32 North American cities featuring 36 big - league stars , playing in an American League vs. National League format .