Red Sox place Christian Arroyo on injured list with hamstring strain, activate Danny Santana

Arroyo strained his left hamstring in the third inning of Sunday night’s 9-1 loss to the Yankees in the Bronx.

In what was his first career start at first base, Arroyo attempted to stretch out to catch Enrique Hernandez’s throw that would have completed an inning-ending 6-4-3 double play, but wound up doing a split and was immediately gripping at his left hamstring upon landing on the ground.

After he was able to get back to his feet, a hobbled Arroyo was forced to exit the contest and was replaced at first base by Bobby Dalbec

“He just felt it when he stretched,” Red Sox manager Alex Cora said following Sunday’s defeat. “It’s a hard one, right? He was ready, of course, to play first, but he stretches and that happens. It’s a tough one for us, but we’ll be bounce back.”

The 26-year-old will now head to the injured list for a third time this season already, as he previously missed time with a left hand contusion in May before missing more time in late June and early July with a right knee contusion.

Santana, meanwhile, is back with the Red Sox after he was placed on the 10-day injured list on July 9 because of a left quad strain he sustained in Anaheim on July 6.

While running out a groundball in the seventh inning of that 5-3 loss to the Angels, Santana came up limp, resulting in his removal from the game as well as him being put on the IL the following Friday.

The 30-year-old switch-hitter’s stint on the injured list was backdated to July 7, however, and he began a rehab assignment with Triple-A Worcester over the weekend.

Appearing in just two games for the WooSox on account of inclement weather in the Worcester-area, Santana went 0-for-4 with two walks and a run scored at Polar Park before re-joining the big-league club in Buffalo on Monday.

Prior to going down with that quad strain earlier this month, Santana had made 12 appearances at first base with the Red Sox this season, 10 of which were starts.

The versatile veteran out of the Dominican Republic is only hitting .167/.231/.292 with Boston so far this year, but half of his 16 hits in a Red Sox uniform have come as a first baseman.