Simplify the following text for a Grade 6 native English-speaking person.
Original: Jonathan `` John '' Tortorella ( born June 24 , 1958 ) is an American professional ice hockey coach and is now the head coach of the New York Rangers of the National Hockey League ( NHL ) . He is perhaps best known for his tenure as head coach of the Tampa Bay Lightning , where he led the team to the 2004 Stanley Cup .
Simplified: John Tortorella was the former coach of the Tampa Bay Lightning .