John Cena was in the WWF beginning in 1999.
Cena signed a developmental contract with the World Wrestling Federation -LRB- WWF , later renamed to World Wrestling Entertainment , or simply WWE -RRB- in 2001 , debuting on the WWE main roster in 2002 .
John Cena
was in the WWF
beginning in 1999
debuting on the WWE main roster in 2002