BOSTON -- Within hours of limping off the field in the sixth inning of Saturday’s 5-4 win over the Red Sox, Mets infielder Luis Guillorme was wearing a walking boot and using crutches to navigate the cramped confines of Fenway Park’s visiting clubhouse. Frustrated by his situation, Guillorme tossed the crutches down at his locker before discussing his injury, which will cost him at least the rest of July.

The Mets’ typically sure-handed infielder strained his right calf during a bizarre play, when Rafael Devers hit a sharp grounder in his direction. The ball short-hopped into Guillorme’s chest and skittered to his right. As he chased after it, he felt a pull in his calf, which caused him to fall to the grass. Only after a beat did Guillorme rise to his feet and walk off the field under his own power, albeit with a significant limp.

The Mets placed Guillorme on the 10-day injured list and called up veteran infielder Danny Mendick to replace him on the active roster.

“I’m not happy about it,” said Guillorme, who missed nearly a month last season due to a strained left groin. “It is what it is, but I’m not happy about it.”

The injury comes just as Guillorme was beginning to take on a more significant role for the Mets, with outfielder Starling Marte on the injured list and Tommy Pham battling a more minor groin injury. The absences of those two have prompted the Mets to use Jeff McNeil regularly in the outfield, with Guillorme filling in at second base. He had started two of the Mets’ last three games and figured to continue in that role at least until Pham’s return.

Instead, other Mets will become the beneficiary of that playing time. The team could have called up No. 2 prospect Ronny Mauricio, who continues to split his defense reps at Triple-A Syracuse between second base, shortstop and left field. Offensively, Mauricio has produced an .852 OPS with 15 homers in 84 games at Triple-A. But the team chose to give Mauricio more seasoning and instead called up Mendick, who went 0-for-7 in four games with the big club earlier this season. Mendick held a .758 OPS at Syracuse, including a .762 mark in July.

As for Guillorme, he expected to remain with the team this weekend before undergoing testing early next week in New York. An MRI will eventually reveal the severity of his strain, giving the Mets an idea of how much time he should expect to miss.

“Right now, it just feels like it’s tight,” Guillorme said. “We’ll see once we get everything done.”