Ravens safety Tom Zbikowski is appealing a 45-day suspension for failing a drug test after Saturday's victory in Thackerville, Okla.
Seeking an "expedited" decision, Zbikowski sent a negative result from "a more in-depth test" to the Chickasaw Nation Boxing Commission on Tuesday, his attorney said.
Zbikowski, who turned to boxing during the NFL lockout, was one of five fighters who tested positive for Tetrahydrocannabinol, the main substance in marijuana.
"Tom was in shock," said Mike Joyce, Zbikowski's lawyer. "He doesn't do drugs. He's passed every collegiate and NFL test, and I think sometimes there are false...