Toronto FC began play in Major League Soccer in 2007, and the club's first regular season match was on April 7, 2007, at the Home Depot Center in Los Angeles away to Chivas USA. Toronto FC suffered a 2–0 loss. Toronto's first home match was on April 28, 2007, at BMO Field against Kansas City Wizards. The home side lost 1–0 on an 81st-minute goal by Eddie Johnson.
The 2008 Chicago Fire season was the club's 10th year of existence, as well as their 11th season in Major League Soccer and 11th consecutive year in the top-flight of American soccer. It began with a 3-1 away win over Real Salt Lake on March 29, 2008 and ended with a 2-1 loss to Columbus Crew in the Eastern Conference Final on November 13, 2008. Denis Hamlett made his debut as the Chicago Fire coach after being promoted.
The 2009 Colorado Rapids season was the fourteenth season of the team's existence. It began on March 21 with a 2–1 loss at Chivas USA and ended on October 24 with a 3–0 loss to Real Salt Lake. The result put RSL in the playoffs as the 8th seed and kept Colorado out on goal differential.
The 2009 FC Dallas season was the fourteenth season of the team's existence. It began on March 21 with a 3–1 home loss to the Chicago Fire and ended with a 2–1 away loss to Seattle Sounders FC on October 24. A win in that game would have sent the team to the playoffs.
The 2009 Los Angeles Galaxy season was the 14th season of the team's existence. It began on March 22, 2009, with a 2-2 home draw against D.C. United, and ended on November 22, 2009, with a loss on penalties to Real Salt Lake in the 2009 MLS Cup Final.
The 2009 Real Salt Lake season was the fifth season of the team's existence. After clinching the eighth and final spot in the 2009 MLS Cup Playoffs, Real Salt Lake would go on to defeat the Los Angeles Galaxy in the 2009 MLS Cup. The team was the first team in MLS history to win the MLS Cup after finishing the regular season with a losing record (11–12–7).
The 2010 Colorado Rapids season was the fifteenth year and season of the club's existence. It was Colorado's fifteenth year in Major League Soccer, and the fifteenth consecutive year for the club in the top-flight of American soccer.
The 2008 New England Revolution season was the thirteenth season of the team's existence. The regular season began on March 29, 2008, with a 3–0 win over the Houston Dynamo and ended on November 6 with a 3–0 playoff loss to the Chicago Fire.
The 2008 Real Salt Lake Season was the fourth season of the team's existence. It was the first season that the team made it to the MLS Cup Playoffs, thanks to some last minute heroics by Yura Movsisyan. After defeating Chivas USA in the first round of the playoffs, Real Salt Lake lost to New York Red Bulls in the Western Conference finals. The 2008 season was also the last season that Real Salt Lake played at Rice-Eccles Stadium, as they moved to the soccer-specific Rio Tinto Stadium on October 9, 2008.
The 2008 Chivas USA season was the club's fourth season of existence, and their fourth in Major League Soccer, the top flight of American soccer. The club competed in the MLS's Western Conference, where they finished in first place, in their Conference, qualifying for the Playoffs for the second time.
The 2008 Colorado Rapids season was the thirteenth season of the team's existence. Colorado began their season with 4–0 victory over the Los Angeles Galaxy and ended a 1–1 draw against Real Salt Lake. They finished 4th in the Western Conference and 9th overall, 1 point behind the New York Red Bulls for the final Wild Card Playoff spot. In the U.S. Open Cup Qualifying, Colorado defeated the Los Angeles Galaxy 1–0 before losing in Kansas City in a penalty shootout.
The 2008 San Jose Earthquakes season was the eleventh season of the team's existence, and the first in their return to the league after a two-year hiatus.
The 2007 FC Dallas season was the eleventh season of the Major League Soccer team. During the offseason, long-time owner and partial founder of the MLS Lamar Hunt died. His son, Clark Hunt, took control of the team. The team was invite to participate in the first SuperLiga tournament. The team did not make it out of the Group stage.
The 2008 FC Dallas season was the twelfth season of the Major League Soccer team. The team failed to make the postseason for the first time in four years.
The 2006 Chivas USA season was the club's second season of existence, and their second in Major League Soccer, the top flight of American soccer. The club competed in the MLS's Western Conference, where they finished in third place, in their Conference, qualifying for the Playoffs for the first time.
The 2007 Chivas USA season was the club's third season of existence, and their third in Major League Soccer, the top flight of American soccer. The club competed in the MLS's Western Conference, where they finished in first place, in their Conference, qualifying for the Playoffs for the second time.
The 2007 Columbus Crew season was the club's twelfth season of existence, and their twelfth consecutive season in Major League Soccer, the top flight of American soccer. Columbus also competed in the U.S. Open Cup but failed to qualify for the MLS Cup Playoffs. The season covered the period from November 9, 2006 to the start of the 2008.
The 2007 season was the 12th season of New York Red Bulls's franchise existence. They played their home games at Giants Stadium in East Rutherford, New Jersey.
The 2007 New England Revolution season was the twelfth season of the team's existence, and the third straight season to end in the MLS Cup Final. It began on April 7 with a 1–0 road loss against the Chicago Fire and ended on November 19 with a 2–1 loss to the Houston Dynamo in the finals of the MLS Cup, a repeat of the previous year's MLS Cup Final. It was the first season where the Revs won any domestic competition, as they were the 2007 US Open Cup champions.
