Just one day after Jim Montgomery named him the team’s most impactful player Bruins roster, Hampus Lindholm limped off the ice and straight into the locker room late in the first half of Tuesday’s game at St. Louis.

He did not return for the start of the second period. The Bruins announced he will not return with a lower-body injury.

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Lindholm went down after blocking a Justin Faulk shot with 3:08 left in the first.

His loss would be significant. Lindholm is second on the Bruins in ice time at 21:38. He was just moved to the lone point guard spot on the team’s No. 1 power play.

His injury will likely trigger a roster move and someone will get on a plane from Providence even as a precaution. The Bruins were in the first game of a two-city road trip. Andrew Peeke he is already injured, but not on the reserve. Jim Montgomery said the team wasn’t ready to exercise. They sent down Matt Poitras Monday and didn’t make a proper call, leaving them without extra skaters.