Alonzo Theodoro Menifield[2] (born October 18, 1987) is an American mixed martial artist currently competing in the Light Heavyweight division of the Ultimate Fighting Championship (UFC).

Menifield continued his football career at NJCAA Glendale Community College (California), where he starred as primarily a linebacker and was an Honorable Mention All-American his sophomore year as well as a member of the track and field team.

[4] After his first two seasons at Glendale, Menifield earned a scholarship to Texas A&M University–Commerce where he graduated with a degree in Criminal Justice.

[8][9] Menifield faced UFC veteran Daniel Jolly on July 25, 2017 at Dana White's Contender Series 3.

[10] He won the fight via TKO at the end of round one due to an eye injury but failed to secure a contract with the UFC.

[11] Menifield was provided with a second chance against Dashawn Boatwright on June 16, 2018 at Dana White's Contender Series 9.

[15] Menifield then faced Paul Craig on June 29, 2019 at UFC on ESPN: Ngannou vs. dos Santos.

[20] Just hours before the event was scheduled to begin, it was announced that the bout was canceled due to Saint Preux testing positive for COVID-19.

[25] This time Knight was removed due to COVID-19 protocols and was replaced by promotional newcomer Fabio Cherant.

[38] After a point deduction in the third round due to Menifield grabbing the fence, the fight ended in a majority draw.

[43] Menifield next stepped in to replace Dominick Reyes against Carlos Ulberg at UFC on ESPN 54 on March 30, 2024.

[49] However, Sy withdrew due to an injury, so Menifield will instead face promotional newcomer Julius Walker at UFC Fight Night 252 on February 22, 2025.