Once again, Sal D'Amato and Derek Cleary flip-flopped at the top of the list of the busiest judges, with D'Amato coming out ahead in 2020. D'Amato regained the title with 77 complete UFC scorecards, which bested Cleary's 65.

Cleary and D'Amato submitted UFC scorecards in a whopping 29 events in 2020, which obliterated the previous record of 22, which was also jointly held by those two.

Third busiest was Michael Bell, who finished with 58 UFC decisions, 20 more than he had in 2019.

Chris Lee finished 2020 with 44 UFC decisions. 2020 was the 10th consecutive year in which Lee finished in the top four.

• VIEW THE BUSIEST UFC JUDGES OF 2017
• VIEW THE BUSIEST UFC JUDGES OF 2018
• VIEW THE BUSIEST UFC JUDGES OF 2019

Returning to the list in 2020 after absences were Dave Hagen and Junichiro Kamijo. Making their debuts on the list were Fight Island adjudicators David Lethaby, Clemens Werner, and Anders Ohlsson.

Dropping off the list from the previous year: Dave Tirelli, Mark Collett, Guilherme Bravo, and Tony Weeks.

Busiest UFC Judges of 2020 *
#	Judge	Events**	Decisions
1	Sal D'Amato	29	77
2	Derek Cleary	29	65
3	Michael Bell	26	58
4	Chris Lee	22	44
5	Eric Colon	21	43
6	Dave Hagen	22	37
7	Ron McCarthy	16	30
8	Junichiro Kamijo	15	28
9	David Lethaby	7	25
-	Clemens Werner	8	25
-	Anders Ohlsson	7	25
* - Not including fights stopped before decision ** - Not including worked events in which a full scorecard was not submitted