Simplify the following text for a Grade 8 native English-speaking person.
Original: Jacob `` Jake '' Hager ( born December 3 , 1982 ) is an American professional wrestler , currently signed to World Wrestling Entertainment ( WWE ) and wrestling under the name Jack Swagger on the Raw brand .
Simplified: Jacob `` Jake '' Hager ( born March 24 , 1982 ) is an American professional wrestler . He is signed to World Wrestling Entertainment , where he works under the name Jack Swagger on the SmackDown brand .