12:29 PM - Mike Matheson (Mtl) (lower body) will miss Wednesday's game against Columbus.

6:37 PM - Mike Matheson (Mtl) (lower body) won't play Tuesday against Utah.

8:37 AM - Mike Matheson (Mtl) recorded an assist, one shot on net and on block with a plus-3 rating in Monday's 3-0 win over the Oilers.

11:10 AM - Mike Matheson (Mtl) scored his first goal of the season on the power play and added an even-strength assist in Saturday's 5-1 win over the Blue Jackets.

1:14 PM - Mike Matheson (Mtl) logged a power-play assist and three blocked shots in Monday's 7-5 win over the Sabres.

7:25 AM - Mike Matheson (Mtl) had an assist, four shots on net and one block in Tuesday's 8-2 loss to the Kraken.

2:12 PM - Mike Matheson (Mtl) logged a power-play assist, five blocked shots and two hits in Saturday's 4-3 shootout loss to the Islanders.

6:47 PM - Mike Matheson (Mtl) (upper body) is good to play Saturday versus the Islanders, per Guillaume Lefrancois of La Presse.

11:39 AM - Mike Matheson (Mtl) (upper body) will join the team on the road for Saturday's matchup with the Islanders, Eric Engels of Sportsnet reports.

7:24 AM - Mike Matheson (Mtl) worked with head coach Martin St. Louis on a whiteboard following Tuesday's practice, going over situations and how the club's top power-play unit should adapt to those situations, Arpon Basu of The Athletic reports.

9:10 AM - Mike Matheson (Mtl) logged an assist, three blocks and one hit in Thursday's 3-2 overtime loss to the Islanders.

7:07 AM - Mike Matheson (Mtl) had two assists, including one on the power play, three shots on net, three blocks and one hit in Saturday's 4-2 loss to the Maple Leafs.

7:01 AM - Mike Matheson (Mtl) had a power-play assist, three shots on net and three blocks in Tuesday's 5-3 win over Florida.

6:48 AM - Mike Matheson (Mtl) had a power-play assist, two shots on net and two blocks in Tuesday's 3-0 win over Columbus.

7:08 AM - Mike Matheson (Mtl) had an assist, two shots on net, one block and one hit in Tuesday's 4-3 overtime win over the Predators.

9:07 AM - Mike Matheson (Mtl) recorded an assist, one shot on net, two blocks, one hit and two PIM in Saturday's 4-3 loss to the Devils.

8:28 AM - Mike Matheson (Mtl) scored a goal on three shots and had one hit in Thursday's 4-1 loss to the Penguins.

9:01 AM - Mike Matheson (Mtl) recorded a power-play assist, two shots on net, one block and one hit over 26:05 of ice time in Saturdays' 4-3 loss to the Capitals.

9:05 AM - Mike Matheson (Mtl) had a power-play assist, one shot on net and three blocks over 26:29 of ice time in Thursday's 7-4 loss to the Rangers.

8:05 AM - Mike Matheson (Mtl) posted an assist, four shots on net, four blocked shots, one hit and two PIM in Sunday's 7-2 loss to the Blues.

7:47 AM - Mike Matheson (Mtl) had two assists, two shots, one block, two hits and two PIM over 26:53 of ice time in Saturday's 3-2 loss to Dallas.

7:57 AM - Mike Matheson (Mtl) had two assists -- one on the power play and one at even strength -- in Tuesday's 5-2 win over Washington. He added four blocks to his line over 23:21 of ice time.

1:49 PM - Mike Matheson (Mtl) had an assist, three shots on net and four blocks over 27:36 of ice time in Saturday's 3-2 overtime loss to the Penguins.

12:58 PM - Mike Matheson (Mtl) scored a power-play goal in Saturday's 9-4 loss to Boston. He also had five shots, two blocks, two hits and two penalty minutes over 22:53 of ice time.

7:29 AM - Mike Matheson (Mtl) had a power-play assist, one shot on net and three blocks over 28:05 of ice time in Monday's 4-3 win over Colorado.

9:42 AM - Mike Matheson (Mtl) had a power-play assist, four shots on net, five blocked shots, two hits and two PIM over 27:42 of ice time in Saturday's 2-1 loss to the Oilers.

10:53 AM - Mike Matheson (Mtl) had an assist, one shot on net, two blocked shots, three hits and two PIM over 25:27 of ice time in Sunday's 4-3 loss to Tampa Bay.

9:45 AM - Mike Matheson (Mtl) had a power-play assist, two shots on net and three blocks over 22:36 of ice time in Saturday's 4-1 loss to the Panthers.

8:54 AM - Mike Matheson (Mtl) scored a power-play goal in Thursday's 5-3 loss to the Hurricanes. He also logged two shots on net, two blocked shots and one hit over 25:07 of ice time.

8:33 AM - Mike Matheson (Mtl) had an assist, four shots on net and three blocks over 23:15 of ice time in Friday's 5-2 win over the Blackhawks.

6:45 AM - Mike Matheson (Mtl) had an assist, three shots on net, two blocked shots, one hit and two penalty minutes over 25:59 of ice time in Monday's 3-2 overtime win over Winnipeg.

8:21 AM - Mike Matheson (Mtl) had a power-play assist and five shots on net over 32:21 of ice time in Wednesday's 4-3 shootout loss to Pittsburgh.

10:48 AM - Mike Matheson (Mtl) had a power-play assist in Saturday's 3-2 shootout win over the Sabres. He also had two shots on net and one blocked shot over 29:58 of ice time.

8:08 AM - Mike Matheson (Mtl) recorded a power-play assist, one shot on goal, three blocked shots and one hit over 29:17 of ice time in Saturday's 5-4 overtime loss to Detroit.

9:46 AM - Mike Matheson (Mtl) notched two assists while adding three blocked shots and a plus-1 rating in Wednesday's 4-2 win over the Blue Jackets.

6:47 AM - Mike Matheson (Mtl) had two assists, four shots on goal, three blocked shots, two hits and two penalty minutes over 28:08 of ice time in Thursday's 6-5 loss to the Golden Knights.

7:18 PM - Mike Matheson (Mtl) scored a goal in Sunday's 5-2 loss to the Canucks. He added two PIM to his line over 23:21 of ice time.

9:03 AM - Mike Matheson (Mtl) had a power-play assist, two shots on goal, five blocked shots and one hit over 27:21 of ice time in Saturday's 3-2 overtime win against Boston.

8:40 AM - Mike Matheson (Mtl) scored a goal and had two power-play assists in Thursday's 3-2 overtime win against the Red Wings. He finished with five shots on net and one blocked shot over 27:56 of ice time.

7:52 AM - Mike Matheson (Mtl) had three shots on goal, two blocked shots, one hit and two penalty minutes over 22:01 of ice time in Monday's 3-2 shootout loss to Vegas.

3:20 PM - Mike Matheson (Mtl) (lower body) will be a game-time decision Monday against Vegas, Arpon Basu of The Athletic reports.

3:08 PM - Mike Matheson (Mtl) recorded a goal and an assist with the man advantage against Columbus on Thursday.

6:38 AM - Mike Matheson (Mtl) scored a power-play goal on five shots while adding two blocked shots in Tuesday's 5-2 loss to the Devils.

10:53 AM - Mike Matheson (Mtl) had an assist, five shots on goal, three hits, two blocked shots and two PIM over 26:23 of ice time in Saturday's 3-2 overtime win against Washington.

5:06 PM - Mike Matheson (Mtl) (lower body) will play in Saturday's preseason finale against Ottawa.

12:22 PM - Mike Matheson (Mtl) (lower body) skated Saturday, Patrick Friolet of RDS.ca reports.

11:53 AM - Mike Matheson (Mtl) (lower body) is not at practice Thursday, Renaud Lavoie of TVA Sports reports.

10:47 AM - Mike Matheson (Mtl) (lower body) will be ready for the beginning of training camp, Eric Engels of Sportsnet reports.

6:50 AM - Mike Matheson (Mtl) had an assist, two shots on goal, one hit and three blocked shots over 29:45 of ice time in Saturday's 7-1 loss to Toronto.

8:27 AM - Mike Matheson (Mtl) logged a power-play assist, three shots on goal and two hits over 29:16 of ice time in Thursday's 5-2 loss to Florida.

8:36 AM - Mike Matheson (Mtl) had an assist, five shots on goal, one hit and one blocked shot over 29:05 of ice time in Monday's 4-3 shootout win over Buffalo.

8:19 AM - Mike Matheson (Mtl) had a power-play assist, five shots on goal, one hit, two blocked and four penalty minutes in Thursday's 4-2 loss to Boston.

8:42 AM - Mike Matheson (Mtl) scored a goal on five shots over 25:31 of ice time in Tuesday's 3-2 win over Tampa Bay.

8:24 AM - Mike Matheson (Mtl) scored a goal on three shots and assisted on a power-play tally over 20:22 of ice time in Thursday's 9-5 loss to the Panthers.

3:07 AM - Mike Matheson (Mtl) produced an assist and three shots on goal in Thursday's 3-2 loss to the Kings.

8:47 AM - Mike Matheson (Mtl) had an assist, five shots on goal and one hit over 19:27 of ice time in Friday's 5-2 win over the Flyers.

8:57 AM - Mike Matheson (Mtl) scored a goal and had an assist in Tuesday's 5-2 win over the Devils. He added one shot and two blocked shots over 27:27 of ice time.

9:36 AM - Mike Matheson (Mtl) had an assist, six shots on goal, two blocked shots and two penalty minutes over 23:55 of ice time in Saturday's 5-1 loss to the Maple Leafs.

8:44 AM - Mike Matheson (Mtl) had a power-play assist and two blocked shots over 24:28 of ice time in Sunday's 6-2 win over the Oilers.

6:45 PM - Mike Matheson (Mtl) scored the game-winning goal and added an assist in Saturday's 4-3 overtime victory over the Islanders.

11:16 PM - Mike Matheson (Mtl) picked up an assist in Tuesday's 4-1 win over the Jets.

11:53 AM - Mike Matheson (Mtl) (lower body) will return to the lineup versus Winnipeg on Tuesday.

11:48 AM - Mike Matheson (Mtl) (lower body) won't play this weekend, according to coach Martin St. Louis.

8:16 AM - Mike Matheson (Mtl) (lower body) practiced Friday, Pat Hickey of the Montreal Gazette reports.

12:53 PM - Mike Matheson (Mtl) (lower body) is set to be reevaluated following the team's four-game road trip, the Canadiens announced Wednesday. Additionally, has been placed on injured reserve, per the NHL media site.

2:19 PM - Mike Matheson (Mtl) sustained a lower-body injury that will sideline him indefinitely, the team announced Monday.

9:32 AM - Mike Matheson (Mtl) had three shots on goal, four hits and two penalty minutes over a team-high 22:37 of ice time in Saturday's 5-1 loss to Tampa Bay.

1:10 PM - Mike Matheson (Mtl) (lower body) will return to the lineup Saturday against Tampa Bay.

3:48 PM - Mike Matheson (Mtl) (lower body) isn't expected to play Thursday versus Anaheim.

12:46 PM - Mike Matheson (Mtl) (lower body) will not travel with the team for Wednesday's clash with Ottawa.

11:09 AM - Mike Matheson (Mtl) (lower body) won't play Monday versus Calgary, Arpon Basu of The Athletic reports.

11:41 AM - Mike Matheson (Mtl) (undisclosed) will not play Saturday versus LA, according to Renaud Lavoie of TVA Sports.

11:57 AM - Mike Matheson (Mtl) (undisclosed) is not at practice Friday, according to Eric Engels of Sportsnet.ca.

9:00 AM - Mike Matheson (Mtl) had a power-play assist, five shots on net, five hits and one blocked shot over 26:57 of ice time in Saturday's 5-1 loss to the Oilers.

9:41 AM - Mike Matheson (Mtl) had a power-play assist, one shot on net, one blocked shot and two penalty minutes over 24:01 of ice time in Friday's 3-2 shootout win over the Blackhawks.

11:37 PM - Mike Matheson (Mtl) scored a goal during Saturday's 5-4 shootout win over the visiting Flyers.

11:26 AM - Mike Matheson (Mtl) (abdomen) will make his Montreal debut Saturday against the Flyers.

9:19 AM - Mike Matheson (Mtl) (abdomen) participated in his first full-contact practice with teammates Friday and could be active Saturday against the Flyers, Pat Hickey of the Montreal Gazette reports.

11:58 AM - Mike Matheson (Mtl) (abdomen) will not play Thursday in Columbus, Eric Engels of Sportsnet.ca reports.

12:59 PM - Mike Matheson (Mtl) (abdomen) skated in a regular jersey Wednesday morning, indicating he should be ready to make his Montreal debut sooner rather than later, Renaud Lavoie of TVA Sports reports.

10:30 AM - Mike Matheson (Mtl) (abdomen) is wearing a non-contact jersey at practice Friday, according to Renaud Lavoie of TVA Sports.

8:39 AM - Mike Matheson (Mtl) (abdomen) skated prior to Monday's practice, Stu Cowan of the Montreal Gazette reports.

7:56 PM - Mike Matheson (Mtl) is expected to miss eight weeks with an abdominal muscle strain.

11:13 AM - Mike Matheson (Mtl) (lower body) has been placed on injured reserve, according to the Canadien's website.

12:09 PM - Mike Matheson (Mtl) (lower body) won't play Wednesday versus the Maple Leafs, Jean-Francois Chaumont of Le Journal de Montreal reports.

11:08 AM - Mike Matheson (Mtl) is listed as day-to-day with a lower-body injury.

4:16 PM - Mike Matheson (Mtl) Penguins traded Matheson and a 2023 fourth-round pick to the Canadiens in exchange for Jeff Petry and Ryan Poehling on Saturday, PuckPedia reports.