LOS ANGELES -- Outside linebacker Khalil Mack 's left elbow injury, which left him sidelined and in a sling for much of the Los Angeles Chargers ' Week 2 victory over the Las Vegas Raiders , isn't season-ending, a source confirmed to ESPN.

NFL Network was the first to report the news.

Mack attempted a tackle in the first quarter, but his left hand got caught between Chargers linebacker Troy Dye and Raiders wide receiver Tre Tucker , turning his elbow into an awkward position.

Mack jogged off the field holding his left hand, stopped on the sideline and bent over in agonizing pain before heading to the locker room.

Mack returned to the Chargers' sideline in the second quarter with his elbow in medical wrapping and in a sling.

He finished the game with one sack and one tackle i

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