Currently, the Milwaukee Bucks hold the third longest winning streak at 20 games, which they set in the 1970-1971 season.
The longest win streak is held by the 1992-1993 penguins with 17 games. The longest home win streak is held by the 2011-2012 Detroit Red Wings at 23 games The 1979-1980 Philadelphia Flyers hold the longest undefeated streak (wins and ties) at 35 games.
Joe DiMaggio with 56 games.
Kentucky, currently at 22 games.
The 2002 Oakland Athletics hold the record for the longest Major League Baseball (MLB) winning streak by an American League (AL) team with 20 consecutive wins.
The Portland Trail Blazers hold the NBA record for sellouts at 814 games.
The Pittsburgh Steelers longest winning streak was in 2004, winning 15 games in a row. The streak would sadly end when they lost the AFC Championship game to the New England Patriots. New England does hold the record at 21 games.
Notre Dame streak over Navy is the current all-time leader for the longest consecutuve winning streak over one team in Div. 1A (Bowl Championship Series) football. That streak ended November 2007. The longest active streak is the Universty of Kentucky's 23 consecutive losses to the Tennesse Volunteers. Kentucky last defeated Tennessee in 1984. The University of Kentucky also has the second longest active losing streak to one team, the University of Florida Gators. The University of Kentucky last defeated Florida in 1985 suffering 21 consecutive losses.
As of December 10, 2011, the longest streak is 44 games by the University of Wisconsin at Whitewater. They currently hold 2 consecutive NCAA Division III championships and will vie for a third in a row on December 16th at the Amos Alonzo Stagg Bowl.