Ravens safety Tom Zbikowski improved to 4-0 in his professional boxing career with a first-round technical knockout of Blake Warner on Saturday night. Zbikowski landed an uppercut at the 2:20 mark and the fight was called after Warner dropped to the canvas. "This was my best win since coming back from a five-year layoff," he told The Daily Oklahoman. Here's video of the fight (and audio if you speak Spanish):