Jack Del Rio was a lineback for how many NFL teams
2017 Oakland Raiders season: The 2017 Oakland Raiders season is the 58th overall season of the Oakland Raiders franchise, the franchise's 48th season in the National Football League, their 24th season since their return to Oakland, and the third under head coach Jack Del Rio. Jack Del Rio:  A linebacker for four NFL teams between 1985–1996, he played both football and baseball for the University of Southern California Trojans.
four