pdating this once again now that the NFL regular season is over. This is the list of the USA's longest streaks among major professional sports teams. This list is limited to the top 4 leagues, plus MLS. Over and under .500 is considered to be when there are more/fewer wins than losses (so draws are counted as half of each), and for the NHL OT losses are counted the same as regular losses.
Playoff Streaks
1 | Detroit Red Wings | NHL | 16 | 2 | New York Yankees | MLB | 13 | 3 | San Antonio Spurs | NBA | 10 | 3 | New Jersey Devils | NHL | 10 | 3 | Ottawa Senators | NHL | 10 | 6 | Dallas Mavericks | NBA | 7 | 7 | New England Revolution | MLS | 6 | 7 | Detroit Pistons | NBA | 6 | 7 | New Jersey Nets | NBA | 6 | 7 | Indianapolis Colts | NFL | 6 | 11 | DC United | MLS | 5 | 11 | New York Red Bulls | MLS | 5 | 11 | New England Patriots | NFL | 5 | 11 | Seattle Seahawks | NFL | 5 | 15 | Denver Nuggets | NBA | 4 | 15 | Miami Heat | NBA | 4 | 15 | Dallas Stars | NHL | 4 | 15 | Tampa Bay Lightning | NHL | 4 | 19 | Chicago Fire | MLS | 3 | 19 | FC Dallas | MLS | 3 | 19 | Chicago Bulls | NBA | 3 | 19 | Phoenix Suns | NBA | 3 | 19 | Washington Wizards | NBA | 3 | 19 | New York Giants | NFL | 3 | 19 | Calgary Flames | NHL | 3 | 19 | Nashville Predators | NHL | 3 | 19 | San Jose Sharks | NHL | 3 | 28 | Chivas USA | MLS | 2 | 28 | Houston Dynamo | MLS | 2 | 28 | Cleveland Cavaliers | NBA | 2 | 28 | Los Angeles Lakers | NBA | 2 | 28 | Dallas Cowboys | NFL | 2 | 28 | San Diego Chargers | NFL | 2 | 28 | Anaheim Ducks | NHL | 2 | 28 | Buffalo Sabres | NHL | 2 | 28 | New York Rangers | NHL | 2 | 37 | Arizona Diamondbacks | MLB | 1 | 37 | Boston Red Sox | MLB | 1 | 37 | Chicago Cubs | MLB | 1 | 37 | Cleveland Indians | MLB | 1 | 37 | Colorado Rockies | MLB | 1 | 37 | Los Angeles Angels | MLB | 1 | 37 | Philadelphia Phillies | MLB | 1 | 37 | Kansas City Wizards | MLS | 1 | 37 | Golden State Warriors | NBA | 1 | 37 | Houston Rockets | NBA | 1 | 37 | Orlando Magic | NBA | 1 | 37 | Toronto Raptors | NBA | 1 | 37 | Utah Jazz | NBA | 1 | 37 | Green Bay Packers | NFL | 1 | 37 | Jacksonville Jaguars | NFL | 1 | 37 | Pittsburgh Steelers | NFL | 1 | 37 | Tampa Bay Buccaneers | NFL | 1 | 37 | Tennessee Titans | NFL | 1 | 37 | Washington Redskins | NFL | 1 | 37 | Atlanta Thrashers | NHL | 1 | 37 | Minnesota Wild | NHL | 1 | 37 | New York Islanders | NHL | 1 | 37 | Pittsburgh Penguins | NHL | 1 | 37 | Vancouver Canucks | NHL | 1 | Revs are now 7th, and now is in sole possession of MLS' longest playoff streak. The Rapids fell off after this past season and their 5 year streak is no more.
Over .500 Streaks
1 | New York Yankees | MLB | 15 | 1 | Detroit Red Wings | NHL | 15 | 1 | New Jersey Devils | NHL | 15 | 4 | Colorado Avalanche | NHL | 12 | 5 | Boston Red Sox | MLB | 10 | 5 | San Antonio Spurs | NBA | 10 | 5 | Dallas Stars | NHL | 10 | 8 | Ottawa Senators | NHL | 9 | 9 | Dallas Mavericks | NBA | 7 | 9 | New England Patriots | NFL | 7 | 11 | Detroit Pistons | NBA | 6 | 11 | Indianapolis Colts | NFL | 6 | 11 | Vancouver Canucks | NHL | 6 | 14 | Philadelphia Phillies | MLB | 5 | 14 | Seattle Seahawks | NFL | 5 | 16 | Los Angeles Angels | MLB | 4 | 16 | San Diego Padres | MLB | 4 | 16 | DC United | MLS | 4 | 16 | Denver Nuggets | NBA | 4 | 16 | Miami Heat | NBA | 4 | 16 | San Diego Chargers | NFL | 4 | 16 | Tampa Bay Lightning | NHL | 4 | 23 | New York Mets | MLB | 3 | 23 | FC Dallas | MLS | 3 | 23 | New England Revolution | MLS | 3 | 23 | Cleveland Cavaliers | NBA | 3 | 23 | Phoenix Suns | NBA | 3 | 23 | Dallas Cowboys | NFL | 3 | 23 | Calgary Flames | NHL | 3 | 23 | Montreal Canadiens | NHL | 3 | 23 | Nashville Predators | NHL | 3 | 23 | San Jose Sharks | NHL | 3 | 33 | Detroit Tigers | MLB | 2 | 33 | Los Angeles Dodgers | MLB | 2 | 33 | Toronto Blue Jays | MLB | 2 | 33 | Chivas USA | MLS | 2 | 33 | Houston Dynamo | MLS | 2 | 33 | Los Angeles Lakers | NBA | 2 | 33 | Anaheim Mighty Ducks | NHL | 2 | 33 | Buffalo Sabres | NHL | 2 | 33 | New York Rangers | NHL | 2 | 42 | Arizona Diamondbacks | MLB | 1 | 42 | Atlanta Braves | MLB | 1 | 42 | Chicago Cubs | MLB | 1 | 42 | Cleveland Indians | MLB | 1 | 42 | Colorado Rockies | MLB | 1 | 42 | Milwaukee Brewers | MLB | 1 | 42 | Seattle Mariners | MLB | 1 | 42 | New York Red Bulls | MLS | 1 | 42 | Chicago Bulls | NBA | 1 | 42 | Golden State Warriors | NBA | 1 | 42 | Houston Rockets | NBA | 1 | 42 | Toronto Raptors | NBA | 1 | 42 | Utah Jazz | NBA | 1 | 42 | Cleveland Browns | NFL | 1 | 42 | Green Bay Packers | NFL | 1 | 42 | Jacksonville Jaguars | NFL | 1 | 42 | New York Giants | NFL | 1 | 42 | Pittsburgh Steelers | NFL | 1 | 42 | Tampa Bay Buccanneers | NFL | 1 | 42 | Tennessee Titans | NFL | 1 | 42 | Washington Redskins | NFL | 1 | 42 | Atlanta Thrashers | NHL | 1 | 42 | Minnesota Wild | NHL | 1 | 42 | Pittsburgh Penguins | NHL | 1 | Patriots are now in the top ten, while Denver's 5 year streak is over. DC's 4 years in a row leads MLS.
Under .500 Streaks
1 | Pittsburgh Pirates | MLB | 15 | 2 | Baltimore Orioles | MLB | 10 | 2 | Tampa Bay Devil Rays | MLB | 10 | 4 | Atlanta Hawks | NBA | 8 | 5 | Cincinnati Reds | MLB | 7 | 5 | Detroit Lions | NFL | 7 | 7 | New York Knicks | NBA | 6 | 7 | Columbus Blue Jackets | NHL | 6 | 7 | Florida Panthers | NHL | 6 | 10 | Oakland Raiders | NFL | 5 | 10 | San Francisco 49ers | NFL | 5 | 12 | Kansas City Royals | MLB | 4 | 12 | Orlando Magic | NBA | 4 | 12 | Chicago Blackhawks | NHL | 4 | 12 | Phoenix Coyotes | NHL | 4 | 16 | San Francisco Giants | MLB | 3 | 16 | Texas Rangers | MLB | 3 | 16 | Columbus Crew | MLS | 3 | 16 | Real Salt Lake | MLS | 3 | 16 | Charlotte Bobcats | NBA | 3 | 16 | Milwaukee Bucks | NBA | 3 | 16 | New Orleans Hornets | NBA | 3 | 16 | Portland Trailblazers | NBA | 3 | 16 | Buffalo Bills | NFL | 3 | 16 | Washington Capitols | NHL | 3 | 26 | Florida Marlins | MLB | 2 | 26 | Washington Nationals | MLB | 2 | 26 | Colorado Rapids | MLS | 2 | 26 | Kansas City Wizards | MLS | 2 | 26 | Los Angeles Galaxy | MLS | 2 | 26 | Boston Celtics | NBA | 2 | 26 | Minnesota Timberwolves | NBA | 2 | 26 | Philadelphia 76ers | NBA | 2 | 26 | Seattle Supersonics | NBA | 2 | 26 | Atlanta Falcons | NFL | 2 | 26 | Miami Dolphins | NFL | 2 | 26 | Boston Bruins | NHL | 2 | 26 | New York Islanders | NHL | 2 | 26 | St. Louis Blues | NHL | 2 | 40 | Chicago White Sox | MLB | 1 | 40 | Houston Astros | MLB | 1 | 40 | Minnesota Twins | MLB | 1 | 40 | Oakland Athletics | MLB | 1 | 40 | St. Louis Cardinals | MLB | 1 | 40 | Toronto FC | MLS | 1 | 40 | Indiana Pacers | NBA | 1 | 40 | Los Angeles Clippers | NBA | 1 | 40 | Memphis Grizzlies | NBA | 1 | 40 | Sacramento Kings | NBA | 1 | 40 | Baltimore Ravens | NFL | 1 | 40 | Carolina Panthers | NFL | 1 | 40 | Chicago Bears | NFL | 1 | 40 | Cincinnati Bengals | NFL | 1 | 40 | Denver Broncos | NFL | 1 | 40 | Kansas City Chiefs | NFL | 1 | 40 | New Orleans Saints | NFL | 1 | 40 | New York Jets | NFL | 1 | 40 | St. Louis Rams | NFL | 1 | 40 | Carolina Hurricanes | NHL | 1 | 40 | Edmonton Oilers | NHL | 1 | 40 | Los Angeles Kings | NHL | 1 | 40 | Philadelphia Flyers | NHL | 1 | 40 | Toronto Maple Leafs | NHL | 1 | Some big NFL streaks have gone by the wayside: Arizona (8 years), Houston (5 years), and Cleveland (4 years). The Crew and RSL are tied for the MLS lead with three straight losing seasons. |