Early career Spicely compiled an amateur record of 2–1 before turning professional in 2013, competing exclusively for
CES MMA in his native Rhode Island. He compiled an undefeated record of 8–0 before being added as one of the 16 Light Heavyweight fighters invited to the cast
The Ultimate Fighter 23. He won his entry fight against Kenneth Bergh via first round submission. Next up, he defeated Elias Urbina via unanimous decision. In the semifinals, he was eliminated from the competition by eventual season winner
Andrew Sanchez by knockout in the first round.
Ultimate Fighting Championship Spicely made his promotional debut against
Sam Alvey on July 13, 2016, at
UFC Fight Night 91. He lost the fight via submission in first round. Spicely next faced
Thiago Santos on September 24, 2016, at
UFC Fight Night 95. In a large upset, he won the fight by submission in the first round. This fight earned him the
Performance of the Night award. Spicely faced
Alessio Di Chirico on January 28, 2017, at
UFC on Fox 23. He won the fight via submission in the first round. Spicely faced
Antônio Carlos Júnior on June 3, 2017, at
UFC 212. He lost the fight by submission due to a rear-naked choke in the second round. Spicely fought
Gerald Meerschaert on December 1, 2017, at
The Ultimate Fighter 26 Finale. He lost the bout via TKO in the second round. Spicely faced
Darren Stewart on May 27, 2018, at
UFC Fight Night 130. He lost the fight via technical knock out in the second round. On August 14, 2018, it was announced that Spicely was released from UFC.
Post-UFC career Spicely was expected to face Stephen Regman at CES 54 on January 19, 2019. Regman withdrew from the bout and was replaced by Leo Pla. Spicely won the bout via TKO in the first round.
Return to UFC On the heels of two first round finishes on the regional circuit, Spicely was re-signed by the promotion for four fights and tabbed as a short notice replacement against promotional newcomer
Deron Winn on June 22, 2019, at
UFC Fight Night 154. He lost the fight by unanimous decision. This fight earned him the
Fight of the Night award. Spicely was scheduled to face
Brendan Allen on October 18, 2019, at
UFC on ESPN 6. However, Spicely was forced to withdraw from the event for undisclosed reason. Spicely was scheduled to face
Punahele Soriano on March 28, 2020, at
UFC on ESPN: Ngannou vs. Rozenstruik. However, Soriano was removed from the card for undisclosed reasons and replaced by
Roman Kopylov. Due to the
COVID-19 pandemic, the event was eventually postponed . Spicely was scheduled to face
Markus Perez on August 1, 2020, at
UFC Fight Night: Brunson vs. Shahbazyan. However, Spicely was removed from the fight (and subsequently released from the promotion) on the day of the event's weigh-in for health issues related to his weight cut.
Taura MMA In late August 2020, Spicely signed with Taura MMA and scheduled to make his debut on November 22, 2020. However, due to hardships with
COVID-19 restrictions the event was postponed.
Other regional circuit Spicely next faced
Rinat Fakhretdinov at UAE Warriors 15 on January 15, 2021. He lost the fight via first-minute knockout. Spicely faced Marcin Naruszczka at OKTAGON 24 on May 29, 2021. He lost the fight via technical knockout in the second round. Spicely faced Zdenek Polivka at OKTAGON 28 on September 25, 2021. He lost the fight via technical knockout in the first round. ==Awards and recognition==