The 23-year-old center fielder, who appeared in 53 Major League games with Boston last year, had X-rays taken at Pawtucket Memorial Hospital after making the play and being removed from the game in the second inning of Pawtucket's 14-0 win over Syracuse.
The Chiefs' Michael Aubrey hit a sinking line drive to center field to lead off the second inning, and Kalish dove to his left to make the play, but he rolled over his left shoulder and walked off the field with a PawSox trainer holding his arm.
Pawtucket's Vice President of Public Relations, Bill Wanless, said that Kalish's arm was put in a sling after receiving X-rays for what the team described as a "jammed shoulder." Kalish has not yet been placed on the disabled list.
"We'll see," PawSox manager Arnie Beyeler told the Providence Journal in reference to Kalish's status after the game. "It didn't look real serious, but you never know. It was sore. It was hurting."
Oddly enough, the Red Sox sent in Nate Spears, a utility player batting .138, to replace Kalish, and Spears ended up hitting a grand slam over the visitors' bullpen the next inning. In fact, the PawSox lineup coincidentally came alive with Kalish's departure -- Drew Sutton, batting .186, went 5-for-6 with four runs scored.
"He goes [all-out] in this game," Spears told the Journal. "That's a good way to play this game. It was just unfortunate. He makes a lot of diving plays, and, on that one, he came down a little funny."
More unusual than the sudden offensive explosion, Daniel Nava, hitting .200, and Michael McKenry, batting .105, each drew a pair of bases-loaded walks -- the duo, who bat consecutively in the lineup, finished with three walks and three RBIs apiece.
The support was plenty for PawSox starter Brandon Duckworth, who held the Chiefs to six hits and a walk, striking out five over seven innings for his second win.
Garrett Mock took the worst of the damage, serving up eight runs on four hits and seven walks over two innings to suffer the loss for the Nationals affiliate.