San Francisco Giants second baseman Marco Scutaro left Monday's NLCS Game 2 win against the St. Louis Cardinals with a left hip injury.
With one out and runners on first and second in the opening frame, Allen Craig slapped a grounder to shortstop Brandon Crawford, who threw to second for the force out.
While Scutaro was trying to turn the double play, Holliday barreled into the second baseman's left leg, which got pinned underneath Holliday. Scutaro lay on the ground for a few moments to collect himself.
Scutaro, who hit a pair of singles, including a two-run single as part of a four-run fourth inning, exited the contest after the fifth to have X-rays on his hip. They were negative.
"We'll do more tests tomorrow and see where he's at," Giants manager Bruce Bochy said. "We're hoping for the best."
His replacement, Ryan Theriot, slapped a two-run single in the eighth inning.
Giants fans showered Holliday with boos each time he stepped up to the plate.
Hard collisions are a sensitive subject for the Giants, who saw their All-Star catcher Buster Posey suffer a broken bone in his left ankle during a play at the plate by the then-Florida Marlins' Scott Cousins in May of 2011. Posey missed the rest of that season.