Simplify the following text for a Grade 10 native English-speaking person.
Original: Roy 's professional career was with the Montreal Canadiens and Colorado Avalanche of the National Hockey League , winning two Stanley Cups with each team .
Simplified: Nicknamed `` Saint Patrick , '' Roy split his professional career between the Montreal Canadiens , who he played with for 10 years , and the Colorado Avalanche , who he played with for 8 years , both of the National Hockey League . Roy won two Stanley Cup championships with each franchise .