Zack Greinke is 34 years old but he shows little sign of slowing up for the Arizona Diamondbacks. He still has three years left on his contract.
Joel Wagler
About Joel Wagler
Joel has been covering the NFL, MLB, college football and basketball, and even some entertainment topics for over 11 years. He's written for KC Kingdom, Arrowhead Addict, Kings of Kauffman, Yanks Go Yard, Toro Times, and Winter is Coming. Joel is currently the Senior Sports Director FanSided, part of the Minute Media family.
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