David Robertson’s return has sparked high expectations. He’s a veteran over 40 years old who knows the Philadelphia Phillies well—and behind his comeback are three clear reasons he recently revealed.

The Philadelphia Phillies have signed right-hander David Robertson to a $15.7 million, one-year contract, prorated to $6 million through the end of the regular season, to bolster their bullpen in a b...

The actual cost to the Phillies will be approximately $12 million, including the 110 percent tax they must pay on every dollar for being over the fourth luxury-tax threshold.