Carter Hart will be out 2-3 weeks for the Philadelphia Flyers because of a right lower abdominal strain.
The goalie was injured during practice Tuesday, when the Flyers were preparing to play at the St. Louis Blues on Wednesday.
"He did it at practice somehow. He felt a little strain, a little pain and did the smart thing, came off," Philadelphia coach Alain Vigneault said. "We had an MRI, and lucky for us, it's not too serious. A couple days, it should settle down. It'll take him to after the [NHL All-Star] break there and he'll be fine after that."
Hart is 15-11-3 with a 2.61 goals-against average, .905 save percentage and one shutout in 32 games (29 starts) for Philadelphia this season, his second in the NHL. A second-round pick (No. 48) in the 2016 NHL Draft, he's 31-24-4 with a 2.72 GAA and .912 save percentage in 63 games (59 starts).
"It's tough losing a guy like that," Flyers forward Travis Konecny said. "You never want to see an injury, but for that to happen at this time when we're going into a break is probably the best-case scenario."
Philadelphia (24-16-6) plays three games and then has nine days before its next game, at the Pittsburgh Penguins on Jan. 31.
Goalie Brian Elliott started against the Blues. Alex Lyon was recalled from Lehigh Valley of the American Hockey League on Wednesday and was the backup.
"Brian's here and we called up Alex, so we'll take it one game at a time, and Brian's going to get a chance to play, and I'm very confident he's going to play well and our team's going to play well," Vigneault said.
Elliott, who is in his third season with the Flyers and 13th in the NHL, was 9-5-3 this season with a 3.16 GAA and .896 save percentage.
Lyon is 9-11-2 with a 2.56 GAA and .916 save percentage in 23 AHL games this season. He played 13 games for the Flyers the past two seasons and was 4-3-1 with a 3.05 GAA and .894 save percentage.
"I feel good about Alex," Vigneault said. "I got to know him during training camp. I liked the way he played for us. He just got off a shutout that I saw a part of it. If we need him, I know he's going to be ready, but I want us to focus on St. Louis tonight, Stanley Cup champions, and that's what we're doing."
The Flyers had lost 107 man-games to injury and illness. Forward Oskar Lindblom will miss the rest of the season because of Ewing's sarcoma, forward Nolan Patrick has not played this season because of a migraine disorder, defenseman Shayne Gostisbehere is expected to be out three weeks because of a knee injury, and defenseman Justin Braun is day to day with a groin injury.
NHL.com deputy managing editor Adam Kimelman and independent correspondent Louie Korac contributed to this report