1:41 PM - Casey Mittelstadt (Bos) scored a goal on two shots in Saturday's 4-1 win over the Devils.

4:56 PM - Casey Mittelstadt (Bos) found the back of the net in a 6-2 loss to the Rangers on Friday.

11:59 AM - Casey Mittelstadt (Bos) (lower body) was activated from injured reserve Friday, Andrew Fantucchio of Boston Hockey Now reports.

10:42 AM - Casey Mittelstadt (Bos) (lower body) was put on injured reserve Monday, according to Belle Fraser of the Bruins' official site.

10:49 AM - Casey Mittelstadt (Bos) (lower body) is week-to-week, according to Scott McLaughlin of WEEI on Monday.

12:05 PM - Casey Mittelstadt (Bos) (lower body) has been ruled out of Saturday's tilt in Toronto, Fluto Shinzawa of The Athletic reports.

7:37 PM - Casey Mittelstadt (Bos) had a goal and assist in Saturday's 2-1 win over the Hurricanes.

1:15 PM - Casey Mittelstadt (Bos) scored a goal on two shots in Thursday's 7-5 loss to the Ducks.

2:06 PM - Casey Mittelstadt (Bos) had two assists in Tuesday's 4-3 loss to the Panthers.

1:13 PM - Casey Mittelstadt (Bos) scored a goal on two shots in Thursday's 4-3 overtime win over the Blackhawks.

2:12 PM - Casey Mittelstadt (Bos) skipped Wednesday's practice to rest a minor lower-body issue, but he's expected to practice Thursday, head coach Marco Sturm told Scott McLaughlin of WEEI.

10:19 AM - Casey Mittelstadt (Bos) scored a goal, fired two shots on net and had three blocks in Tuesday's 7-2 win over New Jersey.

4:12 PM - Casey Mittelstadt (Bos) scored a power-play goal and went minus-2 in Sunday's 6-3 loss to the Sabres.

1:37 PM - Casey Mittelstadt (Bos) scored a goal on three shots, blocked two shots and went minus-2 in Thursday's 6-3 loss to the Senators.

2:46 PM - Casey Mittelstadt (Bos) Will Zellers and a second-round selection were acquired by Boston from Colorado on Friday in exchange for Charlie Coyle and a 2026 fifth-round pick, per Pierre LeBrun of TSN.

1:43 PM - Casey Mittelstadt (Col) distributed an even-strength assist and went plus-1 Sunday in a 2-0 win over Philadelphia.

1:39 PM - Casey Mittelstadt (Col) logged an assist, three shots on goal and two PIM in Monday's 3-1 win over the Panthers.

2:28 PM - Casey Mittelstadt (Col) recorded an assist in Saturday's 2-1 win over the Red Wings.

8:59 AM - Casey Mittelstadt (Col) scored the game-winning goal and added a power-play assist in Monday's 3-2 victory over the Flyers.

12:20 PM - Casey Mittelstadt (Col) scored a goal in Monday's 5-2 loss to the Blackhawks.

10:12 AM - Casey Mittelstadt (Col) scored a goal on three shots in Monday's 6-2 loss to the Islanders.

1:33 PM - Casey Mittelstadt (Col) scored a goal on three shots in Wednesday's 8-4 loss to the Golden Knights.

11:14 AM - Casey Mittelstadt (Col) signed a three-year, $17.25 million deal with Colorado on Tuesday.

3:23 AM - Casey Mittelstadt (Col) scored a goal in Monday's 5-1 loss to the Stars in Game 4.

10:11 AM - Casey Mittelstadt (Col) registered an assist and five shots in Game 4 in a 5-1 victory over Winnipeg on Sunday.

3:13 AM - Casey Mittelstadt (Col) logged an assist, two shots on goal, two hits and two blocked shots in Sunday's 7-4 loss to the Stars.

8:16 AM - Casey Mittelstadt (Col) scored a power-play goal on four shots and logged a hit in Saturday's 7-4 win over Nashville.

5:52 AM - Casey Mittelstadt (Col) scored a goal on two shots and had one hit in Tuesday's 4-3 win over St. Louis.

10:25 AM - Casey Mittelstadt (Col) recorded one shot on net, one block and one hit in Friday's 2-1 overtime win over the Wild.

2:17 PM - Casey Mittelstadt (Col) was acquired by Colorado from Buffalo on Wednesday in exchange for Bowen Byram, per Elliotte Friedman of Sportsnet.

8:47 AM - Casey Mittelstadt (Buf) supplied a power-play goal and an assist in Saturday's 7-2 win over the Golden Knights.

9:38 AM - Casey Mittelstadt (Buf) scored the game-winning goal and added two assists, one on the power play, in Monday's 3-0 win over the Sharks.

10:14 AM - Casey Mittelstadt (Buf) notched two assists in Tuesday's 5-2 loss to the Kraken.

9:54 AM - Casey Mittelstadt (Buf) scored the game-winning goal and added an assist in Thursday's 4-3 overtime win over the Senators.

9:22 AM - Casey Mittelstadt (Buf) scored his 13th goal of the season in Monday's 3-2 shootout win over the Rangers.

9:00 AM - Casey Mittelstadt (Buf) supplied the only offense for Buffalo in Thursday's 7-1 loss to the Bruins with a goal in the third period.

11:40 PM - Casey Mittelstadt (Buf) delivered three assists in a 6-5 overtime win over Minnesota on Saturday.

11:25 PM - Casey Mittelstadt (Buf) recorded three assists, one on the power play, in Friday's 4-3 overtime loss to the Penguins.

11:48 AM - Casey Mittelstadt (Buf) scored a power-play goal Saturday in a 5-3 loss to Tampa Bay.

10:49 PM - Casey Mittelstadt (Buf) recorded a power-play assist, two shots on goal and a minus-2 rating in Monday's 8-3 win over the Red Wings.

10:37 AM - Casey Mittelstadt (Buf) notched two power-play assists in Sunday's 5-3 loss to the Panthers.

11:53 PM - Casey Mittelstadt (Buf) posted an assist and three shots on goal in Monday's 6-5 win over the Blackhawks.

8:35 AM - Casey Mittelstadt (Buf) picked up two assists, one on the power play, in Sunday's 5-4 overtime loss to the Rangers.

10:32 AM - Casey Mittelstadt (Buf) scored a goal and an assist, both on the power play, in Friday's 5-4 win over the Wild.

12:19 PM - Casey Mittelstadt (Buf) (upper body) will return to the lineup Saturday versus the Avalanche, John Vogl of The Athletic reports.

4:25 PM - Casey Mittelstadt (Buf) (upper body) will not play against the Senators on Thursday, Bill Hoppe of the Olean Times Herald reports.

11:34 AM - Casey Mittelstadt (Buf) (upper body) is a game-time call for Thursday's contest against Ottawa, Mike Harrington of The Buffalo News reports.

1:40 PM - Casey Mittelstadt (Buf) (upper body) is slated to miss out versus the Senators on Thursday. Coach Don Granato told reporters, "No chance in my mind that he'll be in tomorrow," per Paul Hamilton of WGR Sports Radio 550.

11:11 AM - Casey Mittelstadt (Buf) (upper body) will not play in Tuesday's tilt versus the Islanders, Lance Lysowski of The Buffalo News.

12:32 PM - Casey Mittelstadt (Buf) (upper body) will not participate in Sunday's contest against Montreal, Bill Hoppe of the Olean Times Herald reports Saturday.

11:43 AM - Casey Mittelstadt (Buf) (upper body) was a full participant at Friday's practice, Bill Hoppe of the Olean Times Herald reports.

2:17 PM - Casey Mittelstadt (Buf) (upper body) was ruled a week-to-week decision on Tuesday.

3:09 PM - Casey Mittelstadt (Buf) is dealing with a recurrence of the upper-body injury that required surgery back in early December and will be meeting with his surgeon, Lance Lysowski of The Buffalo News reports.

11:12 PM - Casey Mittelstadt (Buf) (undisclosed) left Sunday's game against the Avalanche and did not return, Lance Lysowski of The Buffalo News reports.

12:23 PM - Casey Mittelstadt (Buf) (upper body), as expected, will be in action against Ottawa on Tuesday, John Vogl of The Athletic reports.

12:20 PM - Casey Mittelstadt (Buf) (upper body) is likely to participate Tuesday in Ottawa, Paul Hamilton of WGR Sports Radio 550 reports.

1:03 PM - Casey Mittelstadt (Buf) (upper body) was listed as day-to-day on the Sabres' injury report and according to coach Don Granato, the team hopes to have the center back within the next 2-3 games, Lance Lysowski of The Buffalo News reports.

11:58 AM - Casey Mittelstadt (Buf) (upper body) had successful surgery Friday.

12:57 PM - Casey Mittelstadt (Buf) (upper body) will be seeing a specialist Thursday regarding his injury in the hopes of giving the team a clearer picture of his recovery timeframe, Lance Lysowski of The Buffalo News reports.

10:48 PM - Casey Mittelstadt (Buf) (upper body) was placed on injured reserve Wednesday, per CapFriendly.

1:04 PM - Casey Mittelstadt (Buf) is set to undergo additional testing to determine if the injury he suffered during Tuesday's loss to Anaheim is the same upper-body injury that kept him sidelined for 21 games earlier this season, Mike Harrington of The Buffalo News reports.

10:25 PM - Casey Mittelstadt (Buf) (undisclosed) was injured in Tuesday's game versus the Ducks, Lance Lysowski of The Buffalo News reports.

4:11 PM - Casey Mittelstadt (Buf) (upper body) was removed from injured reserve Thursday.

3:01 PM - Casey Mittelstadt (Buf) (upper body) will be activated off injured reserve and return to the lineup for Thursday's game against the Panthers, Lance Lysowski of The Buffalo News reports.

12:55 PM - Casey Mittelstadt (Buf) (upper body) will travel with the team for its upcoming two-game road trip and could play either Thursday or Saturday against the Panthers or Hurricanes, respectively, Mike Harrington of The Buffalo News reports.

11:00 AM - Casey Mittelstadt (Buf) (upper body) was on the ice for Wednesday's game-day skate in a non-contact sweater, Mike Harrington of The Buffalo News reports.

1:09 PM - Casey Mittelstadt (Buf) (upper body) remains without a definite timetable for his return to action, Lance Lysowski of The Buffalo News reports.

1:10 PM - Casey Mittelstadt (Buf) (upper body) won't join the Sabres for their upcoming four-game road trip, Paul Hamilton of WGR Sports Radio 550 reports.

8:53 PM - Casey Mittelstadt (Buf) (upper body) was placed on injured reserve Wednesday, per CapFriendly.

1:24 PM - Casey Mittelstadt (Buf) coach Don Granato said Mittelstadt (upper body) will be out for at least a couple weeks.

8:58 PM - Casey Mittelstadt (Buf) (upper body) won't return to Thursday's game versus the Canadiens.

10:03 AM - Casey Mittelstadt (Buf) penned a three-year, $7.5 million contract with Buffalo on Thursday.

10:39 PM - Casey Mittelstadt (Buf) produced a power-play assist and went minus-3 in Sunday's 6-3 loss to the Rangers.

10:27 PM - Casey Mittelstadt (Buf) scored a short-handed goal on four shots in a 5-2 win over the Capitals on Thursday.

10:54 PM - Casey Mittelstadt (Buf) scored a power-play goal and added an assist at even strength in Tuesday's 5-3 win over New Jersey.

10:50 PM - Casey Mittelstadt (Buf) scored a goal on his only shot in Saturday's 3-2 shootout victory over the Rangers.

11:50 PM - Casey Mittelstadt (Buf) scored a goal on two shots Wednesday in a 6-1 win over the Sabres.

10:29 AM - Casey Mittelstadt (Buf) was promoted to the active roster Sunday.

3:44 PM - Casey Mittelstadt (Buf) was demoted to Buffalo's taxi squad Tuesday.

7:17 PM - Casey Mittelstadt (Buf) was added to the active roster and will play in Thursday's game against New Jersey, per CBS Sports.

8:51 PM - Casey Mittelstadt (Buf) was reassigned to the taxi squad Wednesday, per CapFriendly.

5:59 PM - Casey Mittelstadt (Buf) was promoted from the taxi squad ahead of Monday's game versus the Islanders, Mike Harrington of The Buffalo News reports.

6:04 PM - Casey Mittelstadt (Buf) Sabres placed Mittelstadt on the taxi squad Thursday, per CapFriendly.

5:24 PM - Casey Mittelstadt (Buf) has been activated off the NHL's COVID-19 protocols list, Heather Engel of NHL.com reports.

11:18 AM - Casey Mittelstadt (Buf) Sabres added Mittelstadt to the active roster via the taxi squad Sunday.

11:36 AM - Casey Mittelstadt (Buf) Sabres loaned Mittelstadt to their taxi squad Tuesday.

12:21 PM - Casey Mittelstadt (Buf) Sabres promoted Mittelstadt to the active roster Sunday.

11:22 AM - Casey Mittelstadt (Buf) has been assigned to Buffalo's taxi squad.

5:24 PM - Casey Mittelstadt (Buf) signed a one-year, $874,125 contract with the Sabres on Wednesday.

3:12 PM - Casey Mittelstadt (Buf) scored his eighth goal of the season in AHL Rochester's 3-2 shootout loss to Utica on Wednesday.

3:44 PM - Casey Mittelstadt (Buf) has just one point in five games with AHL Rochester.

5:05 PM - Casey Mittelstadt (Buf) was demoted to AHL Rochester on Sunday.

6:53 PM - Casey Mittelstadt (Buf) is in the midst of an 11-game point drought.

10:21 PM - Casey Mittelstadt (Buf) registered two assists and two shots on goal in Buffalo's 3-1 win versus the Penguins on Thursday.

4:52 PM - Casey Mittelstadt (Buf) coming off a somewhat disappointing season where he had just 12 goals and 13 assists in 77 games while mostly serving as the second-line center, has been a workout fanatic this offseason and showed up at a recent team event noticeably bigger and stronger. "Casey, just seeing him here today, I think he's taken a big step," said general manager Jason Botterill. "We challenged him a little bit about some of his conditioning in the summer. I think he's really done that extremely well. I think it's always that first or second year, that's where good players take that jump."

1:21 PM - Casey Mittelstadt (Buf) will not be participating in the World Championship, Paul Hamilton of WGR Sports Radio 550 reports.

11:10 PM - Casey Mittelstadt (Buf) scored a goal and added an assist in Thursday's 5-4 overtime loss to Detroit.

6:56 PM - Casey Mittelstadt (Buf) a healthy scratch for Monday's loss in New Jersey, will return to action Tuesday in Otttawa, Lance Lysowski of The Buffalo News reports.

4:28 PM - Casey Mittelstadt (Buf) buried a power-play goal in Wednesday's loss to Toronto.

10:41 PM - Casey Mittelstadt (Buf) scored a goal on five shots in a 4-3 loss to the Oilers on Monday.