Steve Luebber

I met him at a Minor League game at Jack Russell Memorial Stadium in Clearwater, Florida in 1995, when the Charlotte Rangers came to play the Clearwater Phillies.
He was there as the Texas Rangers Minor League roving pitching instructor.

Steve signed a 1991 ProCards card #2473.

http://www.baseball-reference.com/players/l/luebbst01.shtml