Last summer, Cole Hamels signed a six-year $144 million contract to remain with the Philadelphia Phillies through 2018. Just a few weeks ago, Zack Greinke signed a six-year, $147 million contract with the Los Angeles Dodgers. Over the past three seasons, Greinke has a 3.17 xFIP while Hamels is a sliver worse at 3.18. These are two very similar pitchers, or so you’d think...
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