The New York Mets could make a major shift with their pitching staff if Edwin Diaz doesn't re-sign.

The New York Mets are expected to be involved in the pitching market, but are also looking to move on from one of their own starters.

Devin Williams' one year with the New York Yankees was a poor one, and the American League East team didn't even make a formal contract offer to re-sign him this offseason.

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Minnesota Twins right-hander and former All-Star Pablo Lopez was great when healthy last year and was in trade rumors prior to his injury that sidelined him for a couple months. ESPN’s Kiley McDaniel and Jeff Passan listed the Mets as the top fit for his services if he is dealt.

Framber Valdez is one of the most notable starting pitchers on the market this offseason, and he reportedly met with multiple teams during general manager meetings in November.

The Boston Red Sox continue to be linked to a top free agent who could address one of their biggest roster needs.

The Mets are in the hunt for a top of the rotation starting pitcher this offseason.

Devin Williams could be the closer for the New York Mets next season. Or he might be a setup man for Edwin Díaz.

Having moved on from longtime Mets outfielder Brandon Nimmo and signed reliever Devin Williams to a three-year contract, New York is well on its way to hitting the reset button. Meanwhile, the starting rotation is the most obvious agenda item they've yet to tackle.