On March 12, 2011, Zbikowski returned to the ring for the first time since 2007, taking on 1-2 35-year-old Richard Bryant in Las Vegas, amidst ongoing NFL labor contract discord [REF].
He extended his win streak to 4-0 in a first-round knock out against Blake Warner at the Winstar Casino in Thackerville, Okla. on April 23, 2011 [REF].