Billy Williams, Illinois State U., played for the Cubs and is in the baseball hall of fame. Ferguson Jenkins, also ISU, and baseball hall of fame. There's a pic of Williams, but not Jenkins at the website. I think both are pictured in the paedagogus (AM Manual), but I don't have that with me. It's at school.
http://www.lambdachi.org/alumni/members/sports.asp
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Steve Corbin
Lambda Chi Alpha
Theta Kappa Chapter
Rose-Hulman Inst. of Tech.