Los Angeles Chargers wide receiver Quentin Johnston was carted off the field following a big hit on the opening series of the team's preseason game against the Los Angeles Rams on Saturday evening.

Jim Harbaugh talks about the concussion receiver Quentin Johnston sustained in the Chargers' preseason loss to the Rams.

However, just when it seemed like the play was over, Rams safety Tanner Ingle came across and delivered a brutal, blindside hit on Johnston, knocking him out and causing him to smash his helmet on the...