New Mets pitcher Carlos Carrasco strained his right hamstring during conditioning after throwing batting practice Thursday and seems certain to miss the start of the season.

Carrasco, a right-hander, who turns 34 on Sunday, has has not appeared any any exhibition games this year.

He is in remission from leukemia and had the coronavirus vaccine, causing him to start spring training workouts behind other players. He then stopped throwing for a stretch because of elbow soreness.

Carrasco was traded by Cleveland with All-Star shortstop Francisco Lindor on Jan. 7 for young infielders Andrés Giménez and Amed Rosario, and two minor league prospects: right-hander Josh Wolf and outfielder Isaiah Green.

New York opens April 1 at Washington. Carrasco had been projected to be part of rotation with two-time Cy Young Award winner Jacob deGrom, Marcus Stroman, Taijuan Walker and David Peterson.

The Mets also are missing reliever Seth Lugo, who had surgery Feb. 16 to remove a bone spur from his pitching elbow. He is on track to resume throwing around opening day.

Carrasco missed three months of the 2019 season while fighting leukemia. He pitched through the pandemic, going 3-4 in 12 starts with a 2.91 ERA, his best since a career-best 2.55 ERA when he split 2014 between Cleveland’s rotation and bullpen. He has an 88-73 career record with a 3.73 ERA.

Carrasco is signed at $12 million for each of the next two seasons, part of a deal that includes a $14 million team option for 2023 with a $3 million buyout. The option would become guaranteed if he pitches 170 innings in 2022 and is found to be healthy for the 2023 season.

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