Los Angeles Chargers wide receiver Quentin Johnston left the preseason game against the host Los Angeles Rams on a medical cart after taking a big hit on the third play from scrimmage on Saturday in Inglewood, Calif.

Chargers coach Jim Harbaugh said after the team's 23-22 preseason loss that Johnston sustained a concussion.

"Quentin suffered a concussion, and that's never a good thing," Harbaugh said. "But the way it looked there at the time, looked like it could have a been a lot worse. And he was taken (to a hospital) for more evaluation, but he was talking. He remembered the play. He was moving good. So in that way, it's a good thing."

Johnston was injured on an incomplete deep sideline pass from quarterback Justin Herbert when Rams safety Tanner Ingle hit him. Johnston lay on his ba

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