Associative Baseball Trivia

Ken-to-the-Jennings

Ken Jennings runs a weekly trivia contest on his blog.  Today he asked this question:

What unusual distinction is shared by all these baseball players?  Wade Boggs, Rick Burleson, Ron Cey, Frank Crosetti, Andre Dawson, Ralph Garr, Rich Gossage, Joe Medwick, Phil Regan, Tris Speaker

I got it pretty quickly.  Can you?  Answer in the comments.