Rams Wide Receiver Demarcus Robinson Arrested on Suspicion of DUI

Demarcus Robinson was arrested early Monday morning just hours after the Ram's lost to the Eagles on Sunday Night Football ... TMZ Sports has learned.

Law enforcement sources tell TMZ ... the NFL wide receiver was arrested early this morning on an L.A. freeway on suspicion of DUI after he was pulled over by cops after they clocked him driving over 100 mph.

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Shortly after 5 a.m. an officer observed Robinson’s white Dodge sedan speeding at the alarming rate of speed. The officers conducted a traffic stop and noticed Robinson appeared to show signs of impairment, raising suspicions that he was under the influence of alcohol.

Our law enforcement sources say Robinson refused to perform a field sobriety test on site. He was arrested on suspicion of misdemeanor DUI and transported to a station for processing. We're told Demarcus identified himself to cops by his name and said he was an L.A. Rams player.

The wide receiver was cited for the offense and released to a responsible party.

Robinson has yet to comment publicly on his arrest. We've reached out to The Ram's for comment ... so far, no word back.