| Thomas Diagne | |
| Other Names: | No Mas |
| Birth Name: | Ousmane Thomas Diagne |
| Birth Date: | 3 September 1983 |
| Birth Place: | Paris, France |
| Nationality: | French |
| Weight: | 156lb |
| Weight Class: | Lightweight |
| Reach: | 76inches |
| Style: | Sanshou |
| Fighting Out Of: | San Jose, California, United States |
| Team: | Cung Le's Universal Strength Headquarters American Kickboxing Academy |
| Years Active: | 2009–present |
| Mma Kowin: | 4 |
| Mma Decwin: | 2 |
| Mma Koloss: | 5 |
| Mma Subloss: | 2 |
| Mma Decloss: | 1 |
| Mma Draw: | 1 |
| Sherdog: | 46543 |
Ousmane Thomas Diagne is a French former professional mixed martial artist who competed from 2009 to 2017. He formerly fought in the lightweight division for Bellator, Strikeforce, and Tachi Palace Fights.
Diagne, who is from France, is a longtime practitioner of Sanshou, a Chinese form of kickboxing, and has won six titles in the sport. Diagne transitioned into mixed martial arts, under the tutelage of Cung Le.[1]
Diagne made his professional mixed martial arts debut on May 15, 2009 at Strikeforce Challengers: Evangelista vs. Aina against Kaleo Kwan. Diagne won via unanimous decision.
He made his next appearance on November 6, 2009 at Strikeforce Challengers: Gurgel vs. Evangelista against Merritt Warren. Diagne lost via submission in the first round.
Diagne then fought at Strikeforce Challengers: del Rosario vs. Mahe on July 23, 2010, facing off against Caros Fodor and lost via unanimous decision.
At Strikeforce Challengers: Beerbohm vs. Healy on February 18, 2011, Diagne fought Aaron Franco and lost via knockout in the first round.
Diagne left Strikeforce with a 1-3 record, and proceeded to go on a four-fight winning streak, before losing his last fight to Brandon Ricetti on June 28, 2014, via rear-naked choke.
|-| Loss| align=center| 6–8–1| Fabricio Guerreiro | TKO (punches)| URCC 32: Fury| | align=center| 3| align=center| 2:51| Lincoln, California, United States|For URCC Lightweight Championship.|-| Loss| align=center| 6–7–1| Te'Jovan Edwards| TKO (head kick and punches)| Tachi Palace Fights 32| | align=center| 1| align=center| 2:27| Lemoore, California, United States||-| Win| align=center| 6–6–1| Antonio Roberto| Decision (unanimous)| Conquer FC 3| | align=center| 3| align=center| 5:00| Richmond, California, United States||-| Loss| align=center| 5–6–1| Mark Dickman| TKO (punches)| Bellator 154| | align=center| 3| align=center| 3:05| San Jose, California, United States||-| Loss| align=center| 5–5–1| Erick Sanchez| TKO (punches)| Bellator 147| | align=center| 3| align=center| 1:22| San Jose, California, United States||-| Draw| align=center| 5–4–1| Mike Malott| Draw (majority)| | | align=center| 3| align=center| 5:00| San Jose, California, United States| |-| Loss| align=center| 5–4| Brandon Ricetti| Submission (rear-naked choke)| WFC 10: Diagne vs. Ricetti| | align=center| 2| align=center| 1:10| Sacramento, California, United States| |-| Win| align=center| 5–3| Dominic Clark| KO (head kick)| WFC 9: Mitchell vs. Jara| | align=center| 1| align=center| 2:00| Sacramento, California, United States| |-| Win| align=center| 4–3| Brad McDonald| TKO (doctor stoppage)| TWC 17: Conflict| | align=center| 1| align=center| 5:00| Porterville, California, United States| |-| Win| align=center| 3–3| David Douglas| KO (punch)| Red Canvas: Art of Submission 3| | align=center| 1| align=center| 3:03| Stockton, California, United States| |-| Win| align=center| 2–3| Alexander Trevino| TKO (kick to the body)| Red Canvas: Art of Submission 1| | align=center| 3| align=center| 3:39| San Jose, California, United States| |-| Loss| align=center| 1–3| Aaron Franco| KO (punches)| Strikeforce Challengers: Beerbohm vs. Healy| | align=center| 1| align=center| 4:22| Cedar Park, Texas, United States| |-| Loss| align=center| 1–2| Caros Fodor| Decision (unanimous)| Strikeforce Challengers: del Rosario vs. Mahe| | align=center| 3| align=center| 5:00| Everett, Washington, United States| |-| Loss| align=center| 1–1| Merritt Warren| Submission (inverted heel hook)| Strikeforce Challengers: Gurgel vs. Evangelista| | align=center| 1| align=center| 3:49| Fresno, California, United States| |-| Win| align=center| 1–0| Kaleo Kwan| Decision (unanimous)| Strikeforce Challengers: Evangelista vs. Aina| | align=center| 3| align=center| 5:00| Fresno, California, United States|