Marcus Paul Davis (born August 24, 1973), nicknamed "The Irish Hand Grenade" (and "The Celtic Warrior" when fighting in Ireland), is an American mixed martial arts (MMA) fighter.
He fights as a welterweight in the UFC and in independent MMA promotions in the United States.
He was a contestant on the Ultimate Fighter 2 on Spike TV.

Marcus David went pro in MMA on August 22, 2003 with a first round TKO of Shaun Gay.
In 2005, Marcus was a contestant on The Ultimate Fighter 2.
Coming in with his boxing skills.
Marcus Paul Davis (born August 24, 1973), nicknamed "The Irish Hand Grenade" (and "The Celtic Warrior" when fighting in Ireland), is an American mixed martial arts (MMA) fighter. He fights as a welterweight in the UFC and in independent MMA promotions in the United States. He was a contestant on the Ultimate Fighter 2 on Spike TV.
Marcus David went pro in MMA on August 22, 2003 with a first round TKO of Shaun Gay. In 2005, Marcus was a contestant on The Ultimate Fighter 2. Coming in with his boxing skills.
Marcus Davis