As of my last knowledge update in October 2023, the player who wore number 11 for the Toronto Maple Leafs is Mitch Marner. Marner has been a key player for the team since making his NHL debut in the 2016-2017 season, contributing significantly to the team's offense. Prior to Marner, the number 11 was worn by other notable players, including the legendary Wendel Clark.
Many players wore the number 12 in the Toronto Maple Leafs line. However, the most recent player wearing the number 12 is Tim Connolly. Tim Connolly is the starting center for the Toronto Maple Leafs on their first line.
Gordie Nelson
Gary Roberts wore #10 for the Calgary Flames, Tampa Bay Lightning, and the Pittsburg Penguins and #7 for the Toronto Maple Leafs
Carl Brewer wore the number 4 during his time with the Toronto Maple Leafs. He played for the team from 1952 to 1958 and was known for his strong defensive play. Brewer was an integral part of the Leafs' success during that era, contributing to their Stanley Cup victories.
John Kordic wore #31 with the Montreal Canadiens and he wore #27 with the Toronto Maple Leafs. He wore #44 when he played for the Quebec Nordiques and #25 with the Washington Capitals
According to hockey-reference.com (link below), Kirk Muller wore number 21 for the Toronto Maple Leafs from 1996-97, and only wore number 9 with the New Jersey Devils (1986-91), New York Islanders (1995-96), and Florida Panthers (1997-99) Kirk Muller's hockey-reference page: http://www.hockey-reference.com/players/m/mulleki01.html
Ace Bailey wore #6 for the Maple Leafs between 1926-1933. His number and the number of Bill Barilko (#6) are the only two the Maple Leafs have retired, other than #99 for Wayne Gretzky which has retired league wide.
Norm Ullman wore number 9 for the Leafs from the time of the famous Frank Mahovlich trade with Detroit in 1968 thru the 1974-75 season after which the legendary centerman jumped to the WHA for a few last pro years. He had worn the number 7 for many great years with the Red Wings but star D-Man Tim Horton already owned that one in Toronto.
The #93 jersey was worn by Alexander Godynyuk from 1990-92 and Doug Gilmour from 1991-97 and 2002-03.
Wendel wore number 17 with the leafs
Carlos Delgado wore the number when he played for Toronto from 1993 to 2004.
there are over twenty but only three wore 13 on their jersey