Pittsburgh Steelers (2-0) defensive end Alex Highsmith suffered a groin injury in Sunday’s Week 3 home contest against the Los Angeles Chargers (2-0). He is doubtful to return, per Ian Rapoport of NFL Network. CLICK HERE to go to PrizePicks and use code ON3 to receive a guaranteed $50 once you play $5 in lineups! Highsmith, 27, sustained the injury in the second quarter. He was examined in the blue medical tent on the sideline and showed some frustration when he came out. Watch NFL Games Live -Try for Free Fubo! Click HERE NOW Save $30 on your first month of Fubo by CLICKING HERE NOW! For a li…