Matvey Georgiyevich Korobov (Russian: Матвей Георгиевич "Мэтт" Коробов; born 7 January 1983) is a Russian-American professional boxer.

[2] He once again won the world title by easily beating Sergiy Derevyanchenko and dominating Alfonso Blanco in 2007 by a score of PTS 29:4.

[4] On 22 December 2018, WBC middleweight champion Jermall Charlo was slated to defend his belt against Willie Monroe Jr.

However, Monroe Jr's VADA tests came out positive for a banned substance, which meant a new opponent for Charlo was in the works.

[7] Korobov lost the fight by a second-round TKO after suffering an injury to his left shoulder.