5:50 PM - Steven Kampfer () has officially retired from professional hockey, according to the NHL Alumni X account.

10:45 AM - Steven Kampfer () signed a one-year contract with Traktor Chelyabinsk of the KHL on Monday.

9:58 PM - Steven Kampfer (Ari) was reassigned to AHL Tucson on Sunday.

4:26 PM - Steven Kampfer (Ari) was recalled from AHL Tucson on Sunday.

5:48 PM - Steven Kampfer (Ari) signed a one-year, two-way contract with Arizona on Tuesday.

3:04 PM - Steven Kampfer (Det) was sent down to AHL Grand Rapids on Friday.

1:40 PM - Steven Kampfer (Det) was recalled by the Red Wings on Tuesday.

3:07 PM - Steven Kampfer (Det) has been placed on waivers by the Red Wings on Saturday, CapFriendlyreports.

5:37 PM - Steven Kampfer (Det) signed a one-year deal with Detroit on Sunday.

5:34 PM - Steven Kampfer () (hand) has signed a one-year deal with Ak Bars Kazan of the KHL, Matt Porter of The Boston Globe reports.

12:14 PM - Steven Kampfer (Bos) (hand) will need another two and a half months to fully recover from hand surgery, Conor Ryan of MassLive.com reports.

1:01 PM - Steven Kampfer (Bos) is recovering from hand surgery, Joe Haggerty of BostonHockeyNow.com reports.

11:37 AM - Steven Kampfer (Bos) Bruce Cassidy said Sunday that Kampfer has an arm injury and won't be available for the remainder of the playoffs, Conor Ryan of MassLive.com reports.

11:15 PM - Steven Kampfer (Bos) scored a goal and two assists in Friday's 6-4 loss to the Sabres.

11:35 PM - Steven Kampfer (Bos) was recalled on an emergency basis for Monday's game against the Flyers, CapFriendly reports.

11:24 PM - Steven Kampfer (Bos) was returned to Boston's taxi squad Sunday, per CapFriendly.

12:31 PM - Steven Kampfer (Bos) was promoted to the active roster for Saturday's game versus the Flyers, Conor Ryan of MassLive.com reports.

10:43 PM - Steven Kampfer (Bos) was reassigned to the taxi squad Monday, per CapFriendly.

10:17 PM - Steven Kampfer (Bos) was promoted to the active roster Saturday, per CapFriendly.

10:27 PM - Steven Kampfer (Bos) was reassigned to the taxi squad Friday, CapFriendly reports.

7:21 PM - Steven Kampfer (Bos) was promoted to the active roster Thursday, per CBS.

9:41 PM - Steven Kampfer (Bos) was reassigned to Boston's taxi squad Wednesday, CapFriendly reports.

9:13 PM - Steven Kampfer (Bos) was added to the active roster for Monday's game against the Penguins, CapFriendly reports.

9:24 PM - Steven Kampfer (Bos) was reassigned to the taxi squad Saturday, per CapFriendly.

5:35 PM - Steven Kampfer (Bos) was promoted to the active roster Saturday, per CBS.

8:57 PM - Steven Kampfer (Bos) was designated for the taxi squad Wednesday, per CapFriendly.

10:08 PM - Steven Kampfer (Bos) was promoted to the active roster Tuesday, per CapFriendly.

9:07 PM - Steven Kampfer (Bos) was recalled from the taxi squad for Sunday's contest against the Rangers and was sent back down after the game, according to CBS Sports.

9:10 PM - Steven Kampfer (Bos) was reassigned to the taxi squad Saturday, per CapFriendly.

10:05 PM - Steven Kampfer (Bos) was promoted to the active roster Thursday, per CapFriendly.

12:28 PM - Steven Kampfer (Bos) who had been away from the Bruins due to a personal matter, was on the ice for the opening of AHL Providence's training camp, Mark Divver of the New England Hockey Journal reports.

1:52 PM - Steven Kampfer (Bos) has left the Bruins to attend to a family emergency, Joe Haggerty of Boston Hockey Now reports.

3:26 PM - Steven Kampfer (Bos) Bruins have waived Kampfer, Matt Porter of Boston Globe reports.

11:48 PM - Steven Kampfer (Bos) has opted out of playing once the 2019-20 season restarts.

9:57 AM - Steven Kampfer (Bos) Bruins assigned Kampfer to AHL Providence on Tuesday.

1:56 PM - Steven Kampfer (Bos) Bruins recalled Kampfer from AHL Providence on Monday, freelance hockey writer Mark Divver reports.

1:22 PM - Steven Kampfer (Bos) Bruins returned Kampfer to AHL Providence on Sunday, freelance hockey writer Mark Divver reports.

12:04 PM - Steven Kampfer (Bos) was recalled from AHL Providence on Saturday.

5:11 PM - Steven Kampfer (Bos) reassigned Kampfer to AHL Providence on Friday.

10:51 PM - Steven Kampfer (Bos) had two assists and three hits Sunday in a 3-2 win over Buffalo.

1:25 PM - Steven Kampfer (Bos) Bruins recalled Kampfer from AHL Providence on Sunday, freelance hockey writer Mark Divver reports.

5:40 PM - Steven Kampfer (Bos) was assigned to AHL Providence on Saturday, Marisa Ingemi of the Boston Herald reports.

10:39 AM - Steven Kampfer (Bos) was called up from the minors Friday.

12:18 PM - Steven Kampfer (Bos) Bruins waived Kampfer for the purpose of reassignment to AHL Providence on Sunday.

9:51 AM - Steven Kampfer (Bos) has played in only two games this season, recording no points.

8:45 AM - Steven Kampfer (Bos) skated in his first game of the season in Monday's 4-2 win over the Ducks.

9:56 PM - Steven Kampfer (Bos) signed a two-year deal worth $1.6 million with the Bruins on Monday, Frank Seravalli of TSN.ca reports.

11:25 AM - Steven Kampfer (Bos) (undisclosed) returned to practice Monday.

12:34 PM - Steven Kampfer (Bos) did not practice Sunday.

11:33 AM - Steven Kampfer (Bos) picked up an assist on the empty-net goal that sealed Thursday's 3-0 win over the Wild.

12:30 PM - Steven Kampfer (Bos) ringed in a goal off the post during a 7-3 win against the Panthers on Saturday.

10:58 AM - Steven Kampfer (Bos) skated in only his second game since Christmas during Thursday's 4-3 loss to the Jets.

1:41 PM - Steven Kampfer (Bos) was recalled from his conditioning stint with AHL Providence.

2:16 PM - Steven Kampfer (Bos) Bruins sent Kampfer to AHL Providence for conditioning.

12:17 PM - Steven Kampfer (Bos) will be a healthy scratch for the Winter Classic showdown against the Blackhawks on Tuesday, Amalie Benjamin of NHL.com reports.

1:26 PM - Steven Kampfer (Bos) lit the lamp for the second time this season during a 5-3 loss to the Hurricanes on Sunday.

3:37 PM - Steven Kampfer (Bos) scored a goal in a 4-2 loss to the Sabres on Sunday.

11:58 AM - Steven Kampfer (Bos) had to leave the ice after taking a hit from behind during Saturday's 2-1 win over the Coyotes.

12:37 PM - Steven Kampfer (Bos) will suit up for the first time this season, and the first time for the Bruins since 2012.

7:12 PM - Steven Kampfer (Bos) set up two goals in a 4-3 overtime loss to the Red Wings on Saturday night.

7:27 AM - Steven Kampfer (Bos) Rangers traded Kampfer (hand) -- along with a 2019 fourth-round draft pick and conditional seventh-rounder -- to the Bruins in exchange for Adam Mcquaid on Tuesday.

7:33 AM - Steven Kampfer (NYR) (hand) is listed on injured reserve, per the NHL's official media site.

3:42 PM - Steven Kampfer (NYR) has skated on the third pairing for the Rangers' last two contests, after being a healthy scratch for the previous 16 outings.

2:24 AM - Steven Kampfer (NYR) has been relegated to the press box for the Rangers last two outings.

3:41 AM - Steven Kampfer (NYR) suited up against the Golden Knights on Tuesday.

7:56 PM - Steven Kampfer (NYR) signed a two-year, two-way contract extension with the Rangers on Wednesday, Renaud Lavoie of TVA Sports reports.

5:29 AM - Steven Kampfer (NYR) was recalled from the team's AHL Hartford affiliate Sunday.

5:41 AM - Steven Kampfer (NYR) was reassigned to AHL Hartford on Wednesday.

7:44 AM - Steven Kampfer (NYR) was recalled from AHL Hartford on Tuesday.

1:25 PM - Steven Kampfer (NYR) was assigned to the Rangers minor league affiliate, AHL Hartford, after his acquisition from the Panthers on Tuesday, Harvey Fialkov of the Sun Sentinel reports.

11:40 AM - Steven Kampfer (NYR) Panthers traded Kampfer to the Rangers on Tuesday along with a conditional seventh-round draft pick for Dylan McIlrath, TSN's Bob McKenzie reports.

8:24 AM - Steven Kampfer (Fla) who was placed on waivers Sunday, remains with the team for the time being, George Richards of the Miami Herald reports.

7:50 AM - Steven Kampfer (Fla) was put on waivers by the Panthers on Sunday, Hervey Fialkov of the Sun Sentinel reports.

7:17 AM - Steven Kampfer (Fla) will make his season debut Saturday afternoon against host Buffalo, Joe Yerdon of NHL.com reports.

2:16 PM - Steven Kampfer (Fla) said he is pain-free following knee surgery, the Miami Herald reports.

7:55 AM - Steven Kampfer (Fla) (undisclosed) has been cleared for Game 5 on Friday against the Islanders, Harvey Fialkov of the Sun Sentinel reports.

9:27 AM - Steven Kampfer (Fla) (undisclosed) will be watching from the sidelines Wednesday against the Islanders, George Richards of the Miami Herald reports.

10:28 AM - Steven Kampfer (Fla) (undisclosed) practiced with the team Tuesday and will be a game-time decision for Game 4 on Wednesday, Mike Morreale of NHL.com reports.

7:47 AM - Steven Kampfer (Fla) (undisclosed) won't dress for Sunday's Game 3 against the Islanders, George Richards of the Miami Herald reports.

9:48 AM - Steven Kampfer (Fla) (undisclosed) will miss the first two games of the Panthers' first-round matchup with the Islanders, Harvey Fialkov of the Sun Sentinel reports.

8:50 AM - Steven Kampfer (Fla) (undisclosed) did not practice Monday and was sporting a walking boot, George Richards of the Miami Herald reports.

3:32 PM - Steven Kampfer (Fla) (undisclosed) isn't in the lineup for Saturday's regular-season finale against the Hurricanes, Harvey Fialkov of the Sun Sentinel reports.

7:10 PM - Steven Kampfer (Fla) exited Thursday's game in the third period with an undisclosed injury and did not return, George Richards of the Miami Herald reports.

7:50 AM - Steven Kampfer (Fla) (lower body) "probably could play now," George Richards of the Miami Herald reports.

6:52 AM - Steven Kampfer (Fla) (lower body) is on injured reserve, according to the official media site of NHL.com.

8:23 AM - Steven Kampfer (Fla) (lower body) will not be making the trip to Boston for Saturday's contest, Harvey Fialkov of the Sun Sentinel reports.

4:20 PM - Steven Kampfer (Fla) left Thursday's game against the Capitals with a lower-body injury and will not return, Harvey Fialkov of the South Florida Sun-Sentinel reports.

11:40 AM - Steven Kampfer (NYR) Kampfer has agreed to a two-way deal with the New York Rangers.

7:15 AM - Steven Kampfer (Min) Kampfer has been summoned from the AHL.

8:17 AM - Steven Kampfer (Min) Kampfer has agreed to a one-year, two-way deal with the Minnesota Wild.

4:00 PM - Steven Kampfer (Min) Kampfer was called up from the minors on Friday January 18.

10:02 AM - Steven Kampfer (Min) Kampfer is heading back to AHL Houston.

5:09 AM - Steven Kampfer (Min) Kampfer has been recalled from the Houston Aeros to participate in the Minnesota Wild training camp.