John Cullen

John Cullen (born Barry John Cullen on August 2, 1964) is a Canadian former professional ice hockey centre who played in the National Hockey League (NHL) for the Pittsburgh Penguins, Hartford Whalers, Toronto Maple Leafs and Tampa Bay Lightning.

He was a standout player for Boston University and is the school's all-time leading scorer & after the Buffalo Sabres selected him in the 1986 NHL Supplemental Draft but chose not to offer him a contract, John signed with the Flint Spirits of the International Hockey League (IHL) for the 1987–88 season where he was named the IHL's co-Rookie of the Year and Most Valuable Player after leading the league in scoring.

John's career was halted in 1997 when he was diagnosed with Non-Hodgkin lymphoma. He attempted a brief comeback in 1998 after an 18-month battle with the disease, for which the NHL awarded him the Bill Masterton Memorial Trophy before retiring to serve as an assistant coach for a year with the Lightning.