On June 27, Toronto won a sixth Canadian Championship title following a 3–2 aggregate victory against the Montreal Impact, earning them a spot in the 2018 CONCACAF Champions League.

[1] On September 30, the club officially clinched first place in the regular season standings after a 4–2 home win over the New York Red Bulls, becoming the first Canadian team to win the Supporters' Shield.

[2] Toronto drew 2–2 away to Atlanta United FC in their final regular season match on October 22; in doing so, they reached 69 points, breaking the MLS regular season record of 68.

[3] Toronto won the Eastern Conference Championship on November 29 for a second consecutive season, defeating the Columbus Crew 1–0 over two legs.

* Includes one shared clean sheet against Sporting Kansas City.