The following table shows the peak quarterly ranking of all fighters to make their UFC debut in 2020 as well as the corresponding ranking of their debut opponent. The fighter with the highest peak ranking was former Invicta FC champion Jinh Yu Frey. However, her highest ranking, #2 Women’s Atomweight, came in a division not currently promoted by the UFC. So far this year, 10 fighters have made their promotional debut against a fighter whose peak ranking was in the top 25. In those fights, debuting fighters have gone 3-7. UFC rookies have gone 17-22 overall in their debut fights.
| Event | Date | Fighter | Peak Prior to Fight | Opponent | Opponent Prior Peak | W/L | Result |
|---|---|---|---|---|---|---|---|
| UFC 246 | 1/18/2020 | Ode Osbourne | #240 Bantamweight | Brian Kelleher | #11 Bantamweight | Loss | SUB Guillotine Choke |
| UFC 246 | 1/18/2020 | Aleksa Camur | #231 Light Heavyweight | Justin Ledet | #49 Heayvweight | Win | U-DEC |
| UFC Raleigh | 1/25/2020 | Jamahal Hill | #87 Light Heavyweight | Darko Stosic | #53 Light Heavyweight | Win | U-DEC |
| UFC Raleigh | 1/25/2020 | Tony Gravely | #53 Bantamweight | Brett Johns | #14 Bantamweight | Loss | SUB Rear Naked Choke |
| UFC Raleigh | 1/25/2020 | Herbert Burns | #73 Featherweight | Nate Landwehr | #43 Featherweight | Win | KO/TKO Knee |
| UFC Raleigh | 1/25/2020 | Nate Landwehr | #43 Featherweight | Herbert Burns | #73 Featherweight | Loss | KO/TKO Knee |
| UFC 247 | 2/8/2020 | Khaos Williams | #194 Welterweight | Alex Morono | #38 Welterweight | Win | KO/TKO Punch |
| UFC 247 | 2/8/2020 | Youssef Zalal | #333 Featherweight | Austin Lingo | #411 Featherweight | Win | U-DEC |
| UFC 247 | 2/8/2020 | Austin Lingo | #411 Featherweight | Youssef Zalal | #333 Featherweight | Loss | U-DEC |
| UFC Rio Rancho | 2/15/2020 | Brok Weaver | #272 Welterweight | Kazula Vargas | #155 Lightweight | Win | DQ |
| UFC Rio Rancho | 2/15/2020 | Daniel Rodriguez | #169 Bantamweight | Tim Means | #24 Welterweight | Win | SUB Guillotine Choke |
| UFC Rio Rancho | 2/15/2020 | Shanna Young | #54 Women’s Flyweight | Macy Chiasson | #4 Women’s Bantamweight | Loss | U-DEC |
| UFC Auckland | 2/22/2020 | Josh Culibao | #167 Featherweight | Jalin Turner | #187 Lightweight | Loss | KO/TKO Punches |
| UFC Norfolk | 2/29/2020 | Norma Dumont | Not Ranked | Megan Anderson | #4 Women’s Featherweight | Loss | KO/TKO Punch |
| UFC Norfolk | 2/29/2020 | Darrick Minner | #57 Bantamweight | Grant Dawson | #44 Featherweight | Loss | SUB Rear Naked Choke |
| UFC Norfolk | 2/29/2020 | Kyler Phillips | #126 Bantamweight | Gabriel Silva | #74 Featherweight | Win | U-DEC |
| UFC Norfolk | 2/29/2020 | Steve Garcia | #147 Featherweight | Luis Pena | #106 Featherweight | Loss | U-DEC |
| UFC Norfolk | 2/29/2020 | TJ Brown | #166 Featherweight | Jordan Griffin | #75 Featherweight | Loss | SUB Guillotine Choke |
| UFC Norfolk | 2/29/2020 | Spike Carlyle | #262 Lightweight | Aalon Cruz | #174 Featherweight | Win | KO/TKO Punches |
| UFC Norfolk | 2/29/2020 | Aalon Cruz | #174 Featherweight | Spike Carlyle | #262 Lightweight | Loss | KO/TKO Punches |
| UFC 248 | 3/7/2020 | Jamall Emmers | #110 Featherweight | Giga Chikadze | #99 Featherweight | Loss | S-DEC |
| UFC Brasilia | 3/14/2020 | David Dvorak | #41 Flyweight | Bruno Silva | #67 Flyweight | Win | U-DEC |
| UFC Jax | 5/13/2020 | Philipe Lins | #23 Heavyweight | Andrei Arlovski | #3 Heavyweight | Loss | U-DEC |
| UFC Jax | 5/13/2020 | Ike Villanueva | #116 Light Heavyweight | Chase Sherman | #69 Heavyweight | Win | KO/TKO Elbow |
| UFC FL | 5/16/2020 | Irwin Rivera | #132 Bantamweight | Giga Chikadze | #99 Featherweight | Loss | U-DEC |
| UFC FL | 5/16/2020 | Rodrigo Nascimento | #134 Heavyweight | Don’Tale Mayes | #93 Heavyweight | Win | SUB Rear Naked Choke |
| UFC Vegas | 5/30/2020 | Gabe Green | #154 Lightweight | Daniel Rodriguez | #64 Welterweight | Loss | U-DEC |
| UFC Vegas | 5/30/2020 | Brandon Royval | #34 Flyweight | Tim Elliott | #7 Flyweight | Win | SUB Arm Triangle |
| UFC Vegas 2 | 6/13/2020 | Mariya Agapova | #23 Women’s Flyweight | Hannah Cifers | #31 Women’s Strawweight | Win | SUB Rear Naked Choke |
| UFC Vegas 2 | 6/13/2020 | Gustavo Lopez | #126 Bantamweight | Merab Dvalishvili | #22 Bantamweight | Loss | U-DEC |
| UFC Vegas 2 | 6/13/2020 | Zarrukh Adashev | Not Ranked | Tyson Nam | #5 Bantamweight | Loss | KO/TKO Punch |
| UFC Vegas 2 | 6/13/2020 | Christian Aguilera | #235 Welterweight | Anthony Ivy | #129 Welterweight | Win | KO/TKO Punches |
| UFC Vegas 2 | 6/13/2020 | Anthony Ivy | #129 Welterweight | Christian Aguilera | #235 Welterweight | Loss | KO/TKO Punches |
| UFC Vegas 3 | 6/20/2020 | Justin Jaynes | #220 Featherweight | Frank Camacho | #135 Lightweight | Win | KO/TKO Punches |
| UFC Vegas 3 | 6/20/2020 | Max Rohskopf | #344 Lightweight | Austin Hubbard | #115 Lightweight | Loss | KO/TKO |
| UFC Vegas 4 | 6/27/2020 | Kyle Daukaus | #69 Middleweight | Brendan Allen | #27 Middleweight | Loss | U-DEC |
| UFC Vegas 4 | 6/27/2020 | Jason Witt | #89 Lightweight | Takashi Sato | #81 Welterweight | Loss | KO/TKO Punches |
| UFC Vegas 4 | 6/27/2020 | Kay Hansen | #33 Women’s Strawweight | Jinh Yu Frey | #2 Women’s Atomweight | Win | SUB Armbar |
| UFC Vegas 4 | 6/27/2020 | Jinh Yu Frey | #2 Women’s Atomweight | Kay Hansen | #33 Women’s Strawweight | Loss | SUB Armbar |