Chargers LB Khalil Mack (elbow) ruled out vs. Raiders

(Photo credit: Kirby Lee-Imagn Images)

Los Angeles Chargers star linebacker Khalil Mack injured his left elbow on the final play of the first quarter and exited Monday night's game against the host Las Vegas Raiders.

Mack was ruled out by the Chargers just after he returned to the sideline during the two-minute warning of the first half with his left arm heavily wrapped and sporting a sling.

Mack was