Has won one Stanley Cup championship (2011 with Boston).
2014-15: Was one of two Bruins to play in all 82 games and did so for the first time in his career ... Had points in consecutive games once, Oct. 30-Nov. 1 (1-1=2 totals) ... Seven of his 14 points came in a 12-game span from Oct. 25-Nov. 21 (3-4=7 totals) ... Recorded his 200th NHL point with an assist on Oct. 30 at Buffalo.
2013-14: Had one multiple-point game, a 1-1=2 effort on Dec. 12 at Edmonton ... Had points in consecutive games twice, Oct. 14-17 (0-2=2 totals) and Dec. 12-14 (1-2=3 totals) ... Played his 600th NHL game on Nov. 15 at Ottawa ... Missed 48 games to injury, including the final 44 of the regular season and the entire post-season after suffering torn MCL and ACL ligaments on Dec. 27 vs. Ottawa ... That resulted in him playing a career NHL-low 34 games.
2012-13: Ranked sixth in the NHL in blocked shots with 115 and ranked third among league defensemen in plus/minus at +18 ... Had three multiple-point games with his season-high three assists on Apr. 8 vs. Carolina which was a career-high for assists in a game ... Had a three-game assist and point streak from Feb. 10-15 (four assists) ... Played his 200th game as a Bruin on Mar. 12 at Pittsburgh ... Missed two games with an injury ... Recorded his lone point of the playoffs with an assist on May 10 vs. Toronto ... Played a career-high 48:36 on June 12 in the triple overtime game one of the Stanley Cup Final in Chicago ... Missed four post-season games with an injury ... Played 26 games with Mannheim in Germany during the lockout with 2-18=20 totals and his teammates there included his brother Yanick.
2011-12: His average ice time per game of 24:02 ranked second on the team only to Zdeno Chara's 25:00 ... Had four multiple-point games, all two-point efforts ... Had a career-best five-game point streak from Dec. 23-Jan. 5 (2-5=7 totals) ... Played his 500th NHL game on Jan. 21 vs. NY Rangers ... Missed two games with an injury.
2010-11: Established career season-highs in games (81) and goals (7) while tying his season-high in points (32) ... Finished eighth overall in the NHL in blocked shots with 174 ... Had four multiple-point games, all two point efforts including two-assist nights each Dec. 28 at Tampa Bay and Jan. 10 at Pittsburgh which matched his previous career-high for assists in a game ... Had a three-game assist streak from Oct. 23-30 (0-3=3 totals), which matched his previous career-best assist streak ... Played his 400th NHL game Dec. 7 vs. Buffalo and recorded his 100th NHL assist Oct. 23 vs. NY Rangers ... Did not dress for one game (coach's decision) ... Added 1-10=11 totals in 25 playoff games, ranking third on the team in post-season assists ... Had three multiple-point playoff games, including two assists June 15 at Vancouver in game seven of the Stanley Cup Final ... Had points in consecutive games twice - Apr. 18-21 (0-2=2 totals) and June 13-15 (0-3=3 totals).
2009-10: Had 2-21=23 totals with 33 PIM in 62 Panthers games at the time of his Mar. 3 trade to Boston and added 2-7=9 totals in 17 Bruins games ... Led the league in blocked shots with 215 and established career season-highs with 28 assists, 32 points and 79 games combined ... Had four multiple-point games, all two-point efforts ... Had a four-game point streak from Mar. 23-29 (2-2=4 totals) and had points in consecutive games on six other occasions ... Played his first game as a Bruin Mar. 4 vs. Toronto, recorded his first point as a Bruin with an assist Mar. 9 in Toronto and scored his first goal as a Bruin with the game-winning score Mar. 27 vs. Calgary ... Played his 300th NHL game Oct. 12 at Tampa Bay while with Florida ... Recorded his 100th NHL point with an assist in Toronto Jan. 10 while with Florida ... Missed four regular season and all 13 playoff games following Apr. 6 forearm surgery.
2008-09: Had five multiple-point games, including a career-high 1-2=3 effort on Apr. 7 vs. NY Islanders with the goal in that game his first career game-winning score ... Had points in consecutive games on four occasions ... Added 1-5=6 totals in 16 playoff games, including his first NHL playoff points in a two-assist effort vs. New Jersey on Apr. 21 and his first playoff goal scored May 21 at Pittsburgh.
2007-08: Injuries limited him to a career NHL low of 47 games ... Had two multiple-point games with two-assist efforts each Oct. 27 at NY Islanders and Apr. 2 vs. Tampa Bay ... Had a three-game assist & point streak from Dec. 20-26 (0-3=3 totals).
2006-07: Began the season in Phoenix with 1-1=2 totals in 32 Coyotes games before his Jan. 8 trade to Carolina for Kevyn Adams ... Added 1-5=6 totals in 20 Hurricanes games ... Had points in consecutive games twice, Jan. 13-16 (1-1=2 totals) and Jan. 27-30 (0-2=2 totals).
2005-06: Began the season in Philadelphia with 2-5=7 totals in 29 games before his Jan. 19 trade to Phoenix ... Was limited by injuries to 63 games ... Had two multiple-point games, both two-point nights ... Had points in consecutive games on four occasions.
2004-05: Played the NHL lockout season with the Flyers' AHL affiliate, the Philadelphia Phantoms with career pro season-highs of 13-28=41 totals ... Added 2-8=10 totals in 18 playoff games as the Phantoms won the AHL Calder Cup championship.
2003-04: Spent most of the season with the AHL Phantoms with 7-12=19 totals as a broken left leg limited him to 33 games ... Was selected for the AHL All-Star Game, but was unable to play due to the injury ... Recalled on four occasions to Philadelphia, playing five scoreless NHL games ... Saw his first NHL playoff action with three games, including his first playoff contest on May 18 at Tampa Bay.
2002-03: Began the season in the NHL with 4-9=13 totals in 58 Flyers games ... Had three multiple-point games, including a career-high 1-2=3 effort on Jan. 5 at Atlanta and his first career multiple-point effort with two assists vs. Boston on Nov. 16 ... Had points in consecutive games twice ... Played his first NHL game on Oct. 10 at Edmonton with his first NHL point an assist in that game ... Scored his first NHL goal on Oct. 31 vs. Phoenix ... Had two assists in the YoungStars Game during the NHL's All-Star weekend festivities ... Was assigned to the AHL Phantoms on Mar. 4 and had 5-6=11 totals in 19 AHL games.
EUROPE: Played three seasons for both the junior and elite Mannheim teams in Germany ... Had 9-18=27 totals with 62 PIM in 113 Elite league games and 15-36=51 totals with 48 PIM in 61 junior games over that span ... Won a German League championship in 2001.
INTERNATIONAL: Has represented Germany in nine international tournaments ... Has played in three Olympic Games (2002 with 1-1=2 totals in 7 games, 2006 with 0-0=0 totals with 6 PIM in 5 games and 2010 with 1-0=1 totals with 0 PIM in 4 games); three World Championships (2001 with 0-1=1 totals with 2 PIM in 7 games, 2002 with 1-2=3 totals with 8 PIM in 7 games and 2008 with 0-0=0 totals with 14 PIM in 6 games); two World Junior Championships (2000 and 2001) and the 2004 World Cup.
TRANSACTIONS: Philadelphia's sixth pick, 172nd overall, in the 2001 NHL Entry Draft ... Traded to Phoenix by Philadelphia with 2006 fourth round draft pick (Tomas Marcinko) for Petr Nedved and 2006 fourth round draft pick (Joonas Lehtivuori), Jan. 20, 2006 ... Traded to Carolina by Phoenix for Kevyn Adams, Jan. 8, 2007 ... Signed as a free agent by Florida, Sept. 14, 2009 ... Traded to Boston by Florida with Matt Bartkowski for Byron Bitz, Craig Weller and Tampa Bay's 2010 second round draft pick (Alexander Petrovic), Mar. 3, 2010.
ETC.: Full name, Dennis Marvin Seidenberg ... Nicknames, Seids and Seider ... Wife, Rebecca; daughters, Story and Noah Grace; son, Breaker ... Was the third German-born player to have his name inscribed on the Stanley Cup, joining Randy Gilhen (Pittsburgh, 1991) and Uwe Krupp (Colorado, 1996).
CONTRACT STATUS: Is in year two of a four-year contract with an NHL cap figure of $4,000,000.
Game - Oct. 10, 2002 at Edmonton
Goal - Oct. 31, 2002 vs. Phoenix
Assist/Point - Oct. 10, 2002 at Edmonton