2017 Major League Soccer season

Major League Soccer

Season	2017
Dates	March 3 – October 22 (regular season) October 25 – December 9 (Playoffs)
MLS Cup	Toronto FC (1st title)
Supporters' Shield	Toronto FC (1st shield)
2019 Champions League (United States)	Sporting Kansas City[a]
2018 Champions League (Canada)	Toronto FC[b]
Matches played	374
Goals scored	1,110 (2.97 per match)
Top goalscorer	Nemanja Nikolić (24 goals)
Best goalkeeper	Stefan Frei (13 shutouts)
Biggest home win	7 goals: ATL 7–0 NE (Sep 13)
Biggest away win	5 goals: MIN 1–6 ATL (Mar 12)
Highest scoring	8 goals: DAL 6–2 RSL (Jun 3) LA 2–6 RSL (Jul 4) TOR 3–5 MTL (Sep 20)
Longest winning run	6 games: Toronto FC (Apr 21 – May 13)
Longest unbeaten run	13 games: Seattle Sounders FC (Jun 17 – Sep 23)
Longest winless run	10 games: LA Galaxy (Jun 24 – Aug 27)
Longest losing run	6 games: D.C. United (Jun 24 – Jul 29)
Highest attendance	71,874 ATL 2–2 TOR (Oct 22)
Lowest attendance	10,165 NYC 1–1 HOU (Sep 23 at East Hartford)
Total attendance	8,269,919
Average attendance	22,112
← 2016 2018 → ^ As 2017 U.S. Open Cup winner (see note for detail) ^ As 2016 and 2017 Canadian Championship winner (see note for detail)

The 2017 Major League Soccer season was the 22nd season of Major League Soccer, top division of soccer in the United States and Canada. The regular season began on March 3, 2017 and concluded on October 22, 2017. The MLS Cup Playoffs began on October 25, 2017 and concluded with MLS Cup 2017 on December 9, 2017.

Two new clubs joined the league as expansion franchises: Atlanta United FC and Minnesota United FC. The two franchises were the 21st and 22nd teams in the league.^[1]

Seattle Sounders FC were the defending MLS Cup champions, while FC Dallas were the defending Supporters' Shield champions. Toronto FC became the first Canadian team to win the Cup and Shield. Toronto's win of the Canadian Championship in the same year earned them the first domestic treble by an MLS side.