Tom Zbikowski's manager said Tuesday the Baltimore Ravens safety is appealing a positive drug test administered after a weekend boxing match in Oklahoma. Zbikowski took another test Tuesday at a Chicago lab that came back negative, said his manager, Mike Joyce, who hopes the Chickasaw Nation Gaming Commission overturns a 45-day suspension leveled against his client. "We pray that they act in an expedited manner," Joyce told The Associated Press. "We are going to try to keep fighting, to see if we can get the deal overturned." Zbikowski fought Saturday at the WinStar World Casino in Thackerville in far southern Oklahoma, knocking out Blake Warner of Oklahoma City in the first round and improving his pro record to 4-0. The casino is owned by an American Indian tribe, the Chickasaw Nation. Read more: http://sports.espn.go.com/sports/boxing/news/story?id=6431673
