Gold medalist at the 2005 US National championships at 57 kg beating Richard Baltazar and Ray Robinson and others.

Won two contests for USA at 2005 World Cup at 57 kg.

Won two bouts when representing United States vs. Belarus in 2006 at 57 kg.

Davis defeated Guillermo Sanchez of Buffalo via unanimous decision in Cleveland.

[2] On July 2, 2014 Mark Davis underestimated his opponent, Michael Farenas of the Philippines (39-4-4 with 32 knockouts), and got stopped via TKO in round 8.