Marshawn Lynch goes beast mode in Brawl in San Francisco (VIDEO)

Marshawn Lynch was involved in a brawl on Friday incited by a Seattle Seahawks hater in San Francisco.

TMZ Sports reports that a drunk fan repeated taunted Marshawn Lynch and his crew, calling the star running back "Seattle Sea Chicken."

The site adds: "An eyewitness tells us Marshawn got in a few punches before walking away."

OK, "Seattle Sea Chicken" is funny, not going to lie. Chicken of the Sea should contact Lynch for an endorsement!

Watch the fight here: