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Professional sports

Toronto is home to the Toronto Maple Leafs, one of the NHL's Original Six clubs, and has also served as home to the Hockey Hall of Fame since 1958. The city had a rich history of hockey championships. Along with the Maple Leafs' 13 Stanley Cup titles, the Toronto Marlboros and St. Michael's College School -based Ontario Hockey League teams, combined, have won a record 12 Memorial Cup titles. The Toronto Marlies of the American Hockey League also play in Toronto at Coca-Cola Coliseum and are the farm team for the Maple Leafs. The Toronto Six, the first Canadian franchise in the National Women's Hockey League, began play with the 2020–21 season.

The city is home to the Toronto Blue Jays MLB baseball team. The team has won two World Series titles (1992, 1993). The Blue Jays play their home games at the Rogers Centre in the downtown core. Toronto has a long history of minor-league professional baseball dating back to the 1800s, culminating in the Toronto Maple Leafs baseball team, whose owner first proposed an MLB team for Toronto.

The Toronto Raptors basketball team entered the NBA in 1995 and has since earned eleven playoff spots and five Atlantic Division titles in 24 seasons. They won their first NBA title in 2019. The Raptors are the only NBA team with their own television channel, NBA TV Canada. They play their home games at Scotiabank Arena, which is shared with the Maple Leafs. In 2016, Toronto hosted the 65th NBA All-Star game, the first to be held outside the United States.

The city is represented in Canadian football by the CFL's Toronto Argonauts, which was founded in 1873. The club has won 18 Grey Cup Canadian championship titles. The club's home games are played at BMO Field.

Toronto is represented in soccer by the Toronto FC MLS team, who have won seven Canadian Championship titles, as well as the MLS Cup in 2017 and the Supporters' Shield for best regular season record, also in 2017. They share BMO Field with the Toronto Argonauts. Toronto has a high level of participation in soccer across the city at several smaller stadiums and fields. Toronto FC entered the league as an expansion team in 2007.

The Toronto Rock is the city's National Lacrosse League team. They won five National Lacrosse League Cup titles in seven years in the late 1990s and the first decade of the 21st century, appearing in an NLL-record five straight championship games from 1999 to 2003, and are first all-time in the number of Champion's Cups won. The Rock formerly shared the Scotiabank Arena with the Maple Leafs and the Raptors. However, the Toronto Rock moved to the nearby city of Hamilton while retaining its Toronto name.

The Toronto Wolfpack became Canada's first professional rugby league team and the world's first transatlantic professional sports team when they began play in the Rugby Football League 's League One competition in 2017. Due to COVID-19 restrictions on international travel the team withdrew from the Super League in 2020 with its future uncertain. The rugby club's ownership changed in 2021, now 'Team Wolfpack' will play in the newly formed North American Rugby League tournament.

Toronto is home to the Toronto Rush, a semi-professional ultimate team that competes in the American Ultimate Disc League (AUDL). Ultimate (disc), in Canada, has its beginning roots in Toronto, with 3300 players competing annually in the Toronto Ultimate Club (League).

Toronto has hosted several National Football League (NFL) exhibition games at the Rogers Centre. Ted Rogers leased the Buffalo Bills from Ralph Wilson for the purposes of having the Bills play eight home games in the city between 2008 and 2013.