Raiders linebacker Sio Moore didn't just call Colin Kaepernick a "chump." At halftime of Sunday's 49ers-Raiders game, Moore jawed at the 49ers quarterback and called him a "bitch-ass motherfucker" as the teams went to their locker rooms.

TMZ has video. Moore starts off by saying something hard to hear—it sounds like, "I'm good,"—and Kap responds with, "I'm coming for you."

The crosstown rivalry is alive and well.

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[TMZ]