Simplify the following text for a Grade 8 native English-speaking person.
Original: Richard Allen `` R. J. '' Umberger , Jr. ( born May 3 , 1982 in Pittsburgh , Pennsylvania ) is a professional American ice hockey center that currently plays for the Columbus Blue Jackets of the National Hockey League ( NHL ) where he is an alternate captain .
Simplified: Richard Allen `` R. J. '' Umberger , Jr. ( born May 3 , 1982 ) is an American professional ice hockey center and an alternate captain of the Columbus Blue Jackets of the National Hockey League ( NHL ) .