 In 1994 Mathis again contested the USBA belt (stripped from Hunter), this time winning an impressive 12-round decision over ex-Olympic champion Tyrell Biggs (27-7).In August of that year Mathis was brought in as the comeback opponent for former undisputed champion Riddick Bowe.After a good effort bobbing and weaving out of the way of Bowe's best shots, Mathis began to fall behind and took a knee in the fourth.