| Date | Sport | Detail | | |
| 5/2/2021 | MMA | Jiri Prochazka enters at #96 after victory over Reyes, N. Diaz falls out from #100 |
| 5/9/2021 | MMA | Marina Rodriguez moves from #25 to #24 after win over Michelle Waterson |
| 5/16/2021 | MMA | Charles Oliveira enters at #73 after victory over M. Chandler, Michael Bisping out from #100 |
| 5/16/2021 | MMA | T. Ferguson drops from #59 to #70 after loss to Beneil Dariush |
| 5/22/2021 | MMA | Cody Garbrandt falls out from #87 after losing unanimous dec. to Rob Font |
| 5/22/2021 | MMA | M. Bisping reenters at #100 due to Garbrandt falling out. |
| 6/13/2021 | MMA | Brandon Moreno enters at #79 after victory over Deiveson Figueiredo, Michael Bisping out from #100 |
| 6/13/2021 | MMA | Deiveson Figueiredo drops from #79 to #80 after submission loss to Brandon Moreno |
| 7/8/2021 | NHL | Patrick Kane moves to #30 from #34 |
| 7/8/2022 | NHL | Nikita Kucherov moves to #35 from #82 |
| 7/8/2022 | NHL | Connor McDavid from to #36 from #84 |
| 7/8/2022 | NHL | Patrice Bergeron moves past Doug Gilmour who was one spot ahead of him, but drops from #66 to #68 due to Kucherov and McDavid’s movement. |
| 7/8/2022 | NHL | Andrei Vasilevskiy enters at #73, Toe Blake out from #100 |
| 7/11/2021 | MMA | Dustin Poirier moves from #16 to #12 after second victory over Conor McGregor |
| 7/11/2021 | MMA | Conor McGregor drops from #18 to #26 after second loss to Dustin Poirier |
| 7/22/2021 | NBA | Steph Curry moves from #11 to #8 |
| 7/22/2021 | NBA | Giannis moves from #28 to #14 |
| 7/22/2021 | NBA | Kawhi Leonard passes Kevin Garnett but stays at #17 due to being leapfrogged by Giannis |
| 7/22/2021 | NBA | Chris Paul moves from #26 to #22 |
| 7/22/2021 | NBA | Russell Westbrook moves from #47 to #30 (movement from 2020-2021 season and additional adjustment due to being underranked) |
| 7/22/2021 | NBA | Rudy Gobert moves from #57 to #50 |
| 7/22/2021 | NBA | Damian Lillard moves from #63 to #51 |
| 7/22/2021 | NBA | Paul George moves from #55 to #52 |
| 7/22/2021 | NBA | Kyrie Irving moves from #88 to #59 |
| 7/22/2021 | NBA | Nikola Jokic enters at #60, Nate Thurmond out from #100 |
| 7/22/2021 | NBA | Jimmy Butler moves from #81 to #68 |
| 7/22/2021 | NBA | Karl-Anthony Towns enters at #81, Blake Griffin out from #100 |
| 7/22/2021 | NBA | Bradley Beal enters at #89, Grant Hill out from #100 |
| 8/8/2021 | MMA | Cyril Gane enters at #59 after TKO over Derrick Lewis, Chael Sonnen out from #100 |
| 9/26/201 | MMA | A. Volkanovski moves up from #27 to #25 after victory over Brian Ortega |
| 10/9/2021 | MMA | Marina Rodriguez moves from #24 to #22 after win over Mackenzie Dern |
| 10/30/2021 | MMA | Glover Teixeira moves from #48 to #45 after win over Jan Blachowicz |
| 10/30/2021 | MMA | Jan Blachowicz drops from #45 to #46 after loss to Glover Teixeira |
| 10/30/2021 | MMA | Peter Yan moves from #61 to #60 after win over Cory Sandhagen |
| 11/6/2021 | MMA | Kamaru Usman moves from #5 to #3 after win over Colby Covington |
| 11/13/2021 | MMA | Max Halloway moves from #23 to #21 after win over Yair Rodriguez |
| 11/16/2021 | MLB | Note: No movement into or within the top 100 for the 2021 MLB season. Max Scherzer inched closer to J. Verlander while J. Votto inched closer to D. Eckersley. Many players outside of the top 100 took major steps towards breaking in including Paul Goldschmidt, Jose Altuve, Nolan Arenado, Bryce Harper, Freddie Freeman, and Mookie Betts. |
