William Harold "Baldy" Cotton - Born November 5, 1902 in Nanticoke, Ontario – Died September 9, 1984 in Campbellford, Northumberland County, Ontario was a Canadian ice Hockey left winger, coach and scout.

- J. Ross Robertson Cup Champion 1922 with Toronto Aura Lee.

- Fellowes Cup / USAHA Champion 1924, 1925 with Pittsburgh Yellowjackets.

- Stanley Cup Champion 1932 with Toronto Maple Leafs.

Cotton got his start in junior Hockey with the Parkdale Canoe Club in 1919, and then played the next season for the Toronto Maitlands.

Cotton then played for the Aura Lee Juniors in 1921, before moving up to play with Toronto Aura Lee Seniors for the 1922-23 season. Cotton then moved to Pittsburgh where he attended Duquesne University while also playing Hockey for the Pittsburgh Yellow Jackets of the United States Amateur Hockey Association from 1923 to 1925, helping them win the Fellowes Cup as USAHA Champions in 1924 and 1925.

Cotton would later sign with the NHL's Pittsburgh Pirates in September, 1925, making his NHL debut on December 5, 1925 vs Ottawa Senators at Ottawa Auditorium in a 1-0 Senators win.

Cotton scored his 1st NHL goal vs John Ross Roach of Toronto St. Patricks at 17:45 of 1st period on January 21, 1926 at Duquesne Gardens in a 5-4 Pittsburgh win.

Cotton was traded to the Toronto Maple Leafs in the middle of the 1928–29 season and would record a career high 38 points (21 goals) the following year in his 1st full season with Toronto.

Cotton won his only Stanley Cup playing for the Maple Leafs in 1932, when they defeated the New York Rangers 3 games to 0. He scored a goal in game 2 of the finals.

Cotton played in the Ace Bailey Benefit Game on Valentines Day February 14, 1934 at Maple Leaf Gardens, scoring the games 1st goal, as the Maple Leafs defeated the NHL All-Stars 7-3.

In 1935 Cotton was sold to the New York Americans and played for 2 more seasons in the NHL and 1 season with the New Haven Eagles in the International American Hockey League until he retired in 1937.

Cotton played in 503 regular season NHL games, scoring 101 goals (17 GWG / 3 OTG), 104 assists with 449 penalty minutes and 43 NHL playoff games, scoring 4 goals, 9 assists with 44 penalty minutes.

For 25 years Cotton was a member of the Hot Stove League in Toronto, a group of Hockey experts who offered their insights into the game on Foster Hewitt's radio broadcasts. Cotton also spent several years coaching junior teams before turning his attention to scouting. He was on the Boston Bruins scouting staff for 25 years and another ten with the Minnesota North Stars before retiring in 1977.

Cotton is also the man credited with 1st discovering Bobby Orr when he was just 13 years old, playing in a midget tournament for Parry Sound in a tournament in Unionville, Ontario in 1962 with players 2 and 3 years older than him.