Diaz (1-1) secured the win over Alanta on Sunday, tossing a perfect ninth frame while striking out a batter.

Diaz attributes his early-season velocity drop to his mechanics being a little off after he missed the entire 2023 season with a knee injury, Will Sammon and Tim Britton of The Athletic report.

Diaz (personal) has struck out one while allowing one earned run on zero hits and two walks over 1.2 innings in two Grapefruit League appearances for the Mets since leaving camp last week to attend to a personal matter.

Diaz topped out at 98 mph with his fastball while striking out the side in a perfect fifth inning during Monday's Grapefruit League game against the Marlins, Tim Britton of The Athletic reports.

Mets manager Carlos Mendoza said Diaz will make his Grapefruit League debut Monday against the Tigers, Tim Healey of Newsday reports.

Diaz (knee) had no issues after throwing a bullpen session Monday on a back mound at the Mets' spring training complex, Tim Britton of The Athletic reports.

Mets manager Carlos Mendoza said Monday that Diaz is "fully healthy" after completing his recovery from the patellar tendon surgery he required on his right knee last March, Tim Healey of Newsday reports.

The Mets announced Monday that Diaz (knee) won't be activated from the 60-day injured list this season, Anthony DiComo of MLB.com reports.

Diaz (knee) will throw at least one bullpen session at Port St. Lucie this week, Tim Britton of The Athletic reports.

Diaz (knee) is scheduled to throw two bullpen sessions this week in front of the Mets' major-league coaching staff, Anthony DiComo of MLB.com reports.