Phillies must re-sign Kyle Schwarber to maintain his partnership with Bryce Harper in the Wheeler Window

Phillies must re-sign Kyle Schwarber to maintain his partnership with Bryce Harper in the Wheeler Window

In the Phillies’ universe, the Wheeler Window is the only denominator that matters. When ace Zack Wheeler signed an extension last March that runs through 2027, he said that he would retire when the contract expires. He’ll be 37, he’ll have 13 years of service, he’ll be a likely Hall of Famer, and his four kids will be entering their most active phase of childhood. That means the Phillies have a two-year window beyond this season, at the end of …