NFL's Kenny Britt Arrested For Weed

Kenny Britt -- a former first-round pick of the Tennessee Titans -- was arrested Saturday after cops say they found weed in his car ... TMZ Sports has confirmed.

According to the Bayonne Police Dept. ... officers were conducting a routine traffic stop on Britt in Bayonne, N.J., when they "immediately detected a strong odor of raw marijuana" coming from his ride.

Cops say after they searched Britt's 2019 black-colored Rambler truck ... they found less than 50 grams of weed and arrested the former wide receiver.

Cops say Britt was charged with possession ... and was also hit with summonses for possession of a controlled dangerous substance in a motor vehicle and obstructing passage of other…