1:58 PM - Matt Irwin () announced his retirement from hockey Thursday, Alex Daugherty of The Tennessean reports.

1:52 PM - Matt Irwin (Van) was reassigned to AHL Abbotsford on Monday.

6:58 PM - Matt Irwin (Van) was reassigned to AHL Abottsford on Friday, per CapFriendly.

1:32 PM - Matt Irwin (Van) was called up by Vancouver on Wednesday, Jeff Paterson of The Hockey News reports.

1:43 PM - Matt Irwin (Van) was placed on waivers for the purpose of assignment to the AHL on Sunday.

3:08 PM - Matt Irwin (Van) signed a one-year, two-way contract with Vancouver on Saturday.

10:43 AM - Matt Irwin (Wsh) tallied a goal, a plus-3 rating, two shots and three hits during Saturday's 8-3 win over the Sharks.

1:19 PM - Matt Irwin (Wsh) recorded an assist in Tuesday's 5-4 loss to the Sabres.

12:37 PM - Matt Irwin (Wsh) will be in the lineup Monday against the Hurricanes, Samantha Pell of The Washington Post reports.

6:12 PM - Matt Irwin (Wsh) signed a one-year, two-way contract with the Capitals on Thursday.

11:19 PM - Matt Irwin (Wsh) added four hits in a 7-3 loss to the Bruins on Monday.

11:45 PM - Matt Irwin (Wsh) recorded an assist in Friday's 3-1 win over the Red Wings.

11:19 PM - Matt Irwin (Wsh) registered an assist, two hits and two blocked shots in Friday's 5-2 win over the Jets.

5:13 PM - Matt Irwin (Buf) has been a healthy scratch during Buffalo's past seven contests.

5:13 PM - Matt Irwin (Buf) was scratched during Thursday's loss to the Penguins.

8:39 PM - Matt Irwin (Buf) tallied an assist in Tuesday's win over the Rangers.

5:01 PM - Matt Irwin (Buf) signed a one-year, one-way contract worth $700,000 with the Sabres on Friday, Elliotte Friedman of Sportsnet reports.

11:18 PM - Matt Irwin (Ana) recorded one point -- an assist -- in nine games with Anaheim this season.

4:44 PM - Matt Irwin (Ana) Ducks acquired Irwin from the Predators for Korbinian Holzer and a 2022 sixth-round pick on Monday, Adam Vingan of Athletic reports.

9:39 PM - Matt Irwin (Nsh) sat as a healthy scratch for the 12th time in 13 games Saturday against the Blue Jackets.

2:54 PM - Matt Irwin (Nsh) sat out a third consecutive game as a healthy scratch Saturday against the Golden Knights.

3:40 PM - Matt Irwin (Nsh) was a healthy scratch for the third time in the past four games Saturday against the Devils.

9:39 AM - Matt Irwin (Nsh) returned to the lineup Saturday against the Blackhawks after sitting out the previous four games as a healthy scratch.

4:11 PM - Matt Irwin (Nsh) scored his first point of the season with an assist in Thursday's 6-5 overtime loss to the Flames.

7:37 AM - Matt Irwin (Nsh) sat out his third consecutive game as a healthy scratch Thursday against the Coyotes.

9:29 AM - Matt Irwin (Nsh) served as a healthy scratch Saturday -- the ninth time in the past 14 games he has watched from the press box.

6:09 PM - Matt Irwin (Nsh) did not dress for Saturday's 4-2 loss to the Panthers, the third consecutive game he has served as a healthy scratch.

11:37 AM - Matt Irwin (Nsh) went minus-2 in Thursday's 2-0 loss to the Stars, but contributed three shots on goal, three hits and a pair of blocked shots.

9:06 AM - Matt Irwin (Nsh) skated just 8:42 in Saturday's 1-0 win over the Bruins, registering two hits and a blocked shot.

8:42 AM - Matt Irwin (Nsh) has not yet suited up for a game this season, having sat out the Predators' first four games as a healthy scratch.

2:30 PM - Matt Irwin (Nsh) totaled two goals and six assists throughout 50 appearances in 2017-18, while also notching 78 hits.

2:21 PM - Matt Irwin (Nsh) served as a healthy scratch for the fifth consecutive game Thursday against the Senators.

2:21 PM - Matt Irwin (Nsh) served as a healthy scratch for the fifth consecutive game Thursday against the Senators.

6:26 AM - Matt Irwin (Nsh) signed a two-year contract extension valued at $650,000 in 2018-19 and $700,000 in the subsequent year.

9:36 AM - Matt Irwin (Nsh) recorded just his sixth point of the season with an assist Wednesday against the Blues.

4:40 AM - Matt Irwin (Nsh) served as a healthy scratch for the fourth time in five games Saturday against the Flames.

2:59 PM - Matt Irwin (Nsh) posted just his fourth point of the season with an assist in Tuesday's 3-2 win over the Blackhawks.

3:12 AM - Matt Irwin (Nsh) scored a goal and registered six shots through 10:48 of ice time during Tuesday's 3-1 win over Columbus.

3:48 PM - Matt Irwin (Nsh) returned to the lineup Thursday against the Sharks after sitting out the previous two games as a healthy scratch.

6:24 PM - Matt Irwin (Nsh) has zero points through five games this season, averaging 16:03 per game with eight shots on goal.

9:24 AM - Matt Irwin (Nsh) recorded his 14th point of the season with an assist in Saturday's 7-2 shellacking of the Sharks.

8:08 PM - Matt Irwin (Nsh) notched a pair of assists despite being on the ice for only 10:30 during Tuesday's 5-4 overtime victory in Buffalo.

8:48 PM - Matt Irwin (Nsh) picked up an assist with a plus-1 in Friday's 3-2 win against the Oilers.

4:31 PM - Matt Irwin (Nsh) was rewarded with a one-year contract extension Friday, Adam Vingan of the Tennessean reports.

5:40 PM - Matt Irwin (Nsh) registered an assist, two blocked shots and six hits during Monday's shootout win over the Flyers.

4:32 PM - Matt Irwin (Nsh) saw ice time of 19:57 against the Avalanche on Tuesday, skating mainly on the first defensive pairing with Roman Josi.

4:25 AM - Matt Irwin (Nsh) netted his third goal of the season and had an assist in Saturday's shootout loss to the Hurricanes.

2:53 AM - Matt Irwin (Nsh) scored for the second straight game despite skating only 11:09 -- the lowest mark among Preds blueliners -- in Thursday's shootout loss to Arizona.

12:52 AM - Matt Irwin (Nsh) potted his first goal of the year in Tuesday's 5-1 win over Colorado, and it turned out to be the game-winner.

8:44 AM - Matt Irwin (Nsh) was called up Monday from AHL Milwaukee, Adam Vingan of The Tennessean reports.

12:30 PM - Matt Irwin (Bos) signed a one-year, two-way contract with the Predators on Friday, Adam Vingan of The Tennessean reports.

10:08 AM - Matt Irwin (Bos) clearing waivers, Irwin is slated to report to AHL Providence, CSN New England reports.

10:01 AM - Matt Irwin (Bos) has been placed on waivers by the Bruins, CSN New England reports.

6:06 AM - Matt Irwin (Bos) had a rough regular season debut with the Bruins, recording a minus-3 rating, while committing a couple of defensive miscues that led to Jets' goals in the Bruins' 6-2 loss Thursday, CSN New England reports.

5:30 AM - Matt Irwin (Bos) scored a pair of power-play goals in Sunday's 2-0 win over New Jersey in the Bruins' exhibition opener, the Boston Herald reports.

3:42 PM - Matt Irwin (Bos) signed a one-year, $800,000 contract with the Bruins on Friday.

5:48 PM - Matt Irwin (SJ) defenseman Matt Irwin scored the only goal for San Jose on Tuesday as the lost, 5-1, in Nashville.

6:20 PM - Matt Irwin (SJ) defenseman Matt Irwin scored two goals on Tuesday against the Capitals.

11:47 PM - Matt Irwin (SJ) Irwin scored a lone goal in San Jose's 5-1 loss to Los Angeles in Game 7 of their first round playoff series.

5:16 AM - Matt Irwin (SJ) Matt Irwin should get the call on the blueline if Marc-Edouard Vlasic (upper body) is unable to go Monday.

4:54 AM - Matt Irwin (SJ) Irwin had two assists in the Sharks win on Saturday.

8:52 PM - Matt Irwin (SJ) Irwin returned to action on Tuesday January 14.

9:30 AM - Matt Irwin (SJ) Irwin will miss Thursday's game due to an upper-body injury.

5:29 AM - Matt Irwin (SJ) Irwin was a healthy scratch on Saturday.

5:43 AM - Matt Irwin (SJ) Irwin had a goal and an assist on Monday.

5:19 AM - Matt Irwin (SJ) Irwin picked up an assist on Saturday and it was his third point in the last four games.

3:32 AM - Matt Irwin (SJ) Irwin was a healthy scratch on Saturday.

8:21 AM - Matt Irwin (SJ) San Jose Sharks look to shuffle their defense as it appears Matt Irwin will take Brad Stuart's spot in the lineup.

6:20 AM - Matt Irwin (SJ) Irwin has been a healthy scratch in the Sharks last three games.

7:36 AM - Matt Irwin (SJ) Matt Irwin had a power play assist in the Sharks 3-2 win over Ottawa Saturday.

9:02 PM - Matt Irwin (SJ) Irwin recorded six shots on goal in a disappointing night for the Sharks offense, dropping Game 1 2-0 on Tuesday.

4:37 AM - Matt Irwin (SJ) defenseman Matt Irwin has impressed the coaching staff with his play in the first round of the playoffs.

3:59 AM - Matt Irwin (SJ) Jose defenseman Matt Irwin was given a night off earlier this week for the purpose of letting him rest.

6:00 PM - Matt Irwin (SJ) Sharks signed Matt Irwin to a two-year, $2 million extension.

8:59 AM - Matt Irwin (SJ) San Jose Sharks, after a 7-0-0 start, have only won five times in their past 22 games but, despite their recent struggles, a bright spot has emerged in rookie defenseman Matt Irwin.

12:58 AM - Matt Irwin (SJ) Matt Irwin scored in his third consecutive game on Monday in a 5-3 loss to Anaheim.

9:18 AM - Matt Irwin (SJ) Jose Sharks recall D Matt Irwin from AHL Worcester.

12:28 PM - Matt Irwin (SJ) Irwin has been demoted to the minors by San Jose.

4:08 AM - Matt Irwin (SJ) Irwin watched Saturday's game against the Predators from the press box.

7:15 AM - Matt Irwin (SJ) Irwin earned his first NHL point on Thursday.

7:33 AM - Matt Irwin (SJ) Irwin played 19:06 minutes in his NHL debut.

6:10 AM - Matt Irwin (SJ) Matt Irwin has a chance to play on the blueline Saturday and make his NHL debut.