The Mets, who are expected to upgrade their rotation before the July 31 trade deadline, have also been linked to Pirates right-hander Mitch Keller. The 29-year-old is posting a 3.53 ERA and 1.16 WHIP over a league-leading 21 starts for Pittsburgh.

The pen has been bordering on a Mets’ necessity, we get that now. But things do change almost daily, and let’s face it: the Mets need to upgrade elsewhere, too.