Keller is undoubtedly a good trade candidate, and he fits what the Mets need. He now owns a 3.58 ERA in 19 starts this season, totaling 113 innings pitched. But that's a lot to give up for a one-time All-Star who generally profiles as a mid-rotation starter.

The New York Mets reportedly have reached out to the Pittsburgh Pirates about starting pitcher Mitch Keller as rumors surface of the Chicago Cubs' interest.