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| January 30 | ||
|---|---|---|
 MM | Aroma, Cruz, Peatie, and Rezzy join. | |
| January 29 | ||
  Mars Hill U.   SIU Edwardsville at CGN Charlotte 2023 . | ||
 Decimate Gaming  Aphelion Esports in the CDC North America 2023 Cup #5. | ||
 D1 Gaming LA  Team Smog in the CDC Latin America 2023 Cup #5. | ||
 Team Notorious  Elevate in the CDC Europe 2023 Cup #5. | ||
 Mindfreak  EXM Esports in the CDC Asia Pacific 2023 Cup #5. | ||
| January 28 (approx.) | ||
 SYN | Nadox joins. ZiRow leaves. | |
| January 28 | ||
 CR | Clousy joins. Izaac leaves. | |
 TT | Team signs roster of  TriVec Gaming. Hollow, Mock, Unit, Venom, Zinx (Head Coach), and GBursted (Analyst) join. | |
 TRIV | Roster is signed by  Twisted Theory. Hollow, Mock, Unit, Venom, Zinx (Head Coach), and GBursted (Analyst) leave. | |
 AW0.NA | Brack joins. Squirt leaves. | |
 OMiT | WarDy joins. | |
 CNVY | Phantomz and Yeez rejoin. WarDy leaves. | |
 DCM | Team signs roster of  TFeL Enterprises. 2ReaL, FeLo, Ghosty, Ulisses, and Nagafen (Coach) join. | |
 TFeL | Roster is signed by Decimate Gaming. 2ReaL, FeLo, Ghosty, Ulisses, and Nagafen (Coach) leave. | |
| January 27 | ||
 VIT | Randomm leaves. | |
 TEX | Rambo (Head Coach/General Manager to General Manager) changes position. | |
| January 26 | ||
 RØKKR Academy TFeL Enterprises in the CDC North America 2023 Elite Stage 1 Playoffs. | ||
Elevate  The Originals in the CDC Europe 2023 Elite Stage 1 Playoffs. | ||
| OMiT | Diamondcon (temporary substitute) leaves. | |
| VIT | Erazr leaves. | |
| January 24 (approx.) | ||
 FWE | Sehvin (Coach) leaves. | |
 ZYG | Spadez joins. Kimwax and Tetillo rejoin. Juust, Shisui, and Zaii leave. | |
| January 24 | ||
 tM.B | Archivs, Hamza, Veilleux, and Zyyral join. | |
| TRIV | Hollow, Mock, Unit, Venom, Zinx (Head Coach), and GBursted (Analyst) join. | |
| OMiT | Diamondcon joins as temporary substitute for CDC North America 2023 Elite Stage 1 Playoffs. | |
 ODU | Atura (Coach) joins. | |
 FLA | Davpadie moves to starting roster. Brack moves to substitute. | |
| OMiT | Davpadie leaves. | |
 WaR | Faded (Coach) joins. | |
 iNCO | Noel leaves. | |
| January 23 | ||
 HE | Darksived, Jintroid, Xotic, Zer0, and Royalty (Coach) join. | |
 MIT | Alfoon, NaaNo, xRoToo, and Zappy join. | |
| January 20 (approx.) | ||
| WaR | VinnY (Coach) leaves. | |
| January 20 | ||
| DCM | Hollow, Mock, Unit, Venom, Zinx (Head Coach), and GBursted (Analyst) leave. | |
 LDN | PaulEhx moves to starting roster. Zer0 moves to substitute. | |
| January 19 | ||
 LAT | Capsidal joins as temporary substitute for Call of Duty League 2023 - Major 2 Qualifiers, replacing Kenny because of illness. | |
| January 18 (approx.) | ||
 ANM | Balance, Guithila, Marvel, Naarkz, and Sh4rk join. | |
 STMN | Balance, Drari, Grizz, Guithila, Marvel, Naarkz, shift (Coach), and sc (Manager) leave. | |
| January 18 | ||
| CR | FaaZeeR (Coach) joins. | |
| CNVY | Yeez leaves. | |
 RPLY | Blade (Content Creator) joins. | |
| January 17 | ||
 KAGE | Clove, Fran, Zen, and Zezex join. | |
| KAGE |  DG Esports renames to  Kagendra. | |
 DG | Fran, Gonzy, Jetsky, Zen, and Zezex leave. | |
 SKDE | Fokeey and Henricat leave. | |
| TEX | Dashy moves to starting roster. | |
 OG | Scump (Streamer) rejoins. | |
| TEX | Scump retires. | |
| January 16 | ||
 IA | Clousy, Dizzy, FDzE, Joqa, and Mxhsen (Coach) leave. | |
| January 15 | ||
 NOVA | Creed, cZSpy, Lnferno, Neil, SaTuRnZz, SlayeR, and Yahya leave. | |
 LAG Academy Pup Cup in the CDC North America 2023 Cup #4. | ||
| D1 Gaming LA Team Smog in the CDC Latin America 2023 Cup #4. | ||
 Revenge Tour Sketchers in the CDC Europe 2023 Cup #4. | ||
| EXM Esports Mindfreak in the CDC Asia Pacific 2023 Cup #4. | ||
| January 13 | ||
| SKDE | Leozin and Linbz leave. | |
| Call of Duty League Ruleset v1.2 is released. | ||
| January 12 | ||
| DCM | Unit joins. | |
| January 11 | ||
| OMiT | Team signs roster of  RVNG. Capsidal, Davpadie, GRVTY, Hicksy, and Mystvc (Coach) join. | |
 RVNG | Roster is signed by  OMiT. Capsidal, Davpadie, GRVTY, Hicksy, and Mystvc (Coach) leave. | |
| LDN | Skrapz moves to starting roster. | |
| January 10 (approx.) | ||
 PB | Fati joins. Lymax leaves. | |
| January 10 | ||
 eF | BBConor, Disarray, Genesis, and kels join. | |
 ORG | FDot, Furiious, Gismo, Harry, Koa Galves (Coach), and Rayless (Analyst) join. | |
 VEER | Chaaxter, Detain, Mythix, Niall, and Pads (Analyst) join. | |
| AW0.NA | Estreal, MohaK, and 7omm1 (Coach) join. | |
| MIT | Zappy leaves. | |
 NXA | Defrag, Dqvee, Henry, Rafi, and BrianViiox (Coach) join. | |
| January 8 | ||
 Team WaR  Convoy Gaming in the CDC North America 2023 Cup #3. | ||
| Team Smog D1 Gaming LA in the CDC Latin America 2023 Cup #3. | ||
| Team Notorious Cody Gakpo in the CDC Europe 2023 Cup #3. | ||
| Mindfreak EXM Esports in the CDC Asia Pacific 2023 Cup #3. | ||
| TEX | Huke joins. | |
| January 6 | ||
| IA | Clousy joins. Keza leaves. | |
| DCM | PaulEhx leaves. | |
| January 5 | ||
TFeL Enterprises,  Iron Blood Gaming, Team WaR, and RØKKR Academy qualify for the CDC North America 2023 Elite Stage 1. | ||
| Kez's Kingdom, Superstars, dark side, and RafiDaveHenryDefraag qualify for the CDC Europe 2023 Elite Stage 1. | ||
| NXA | Divvxll, Runner, and Shaun leave. | |
| NXA | Snake retires. | |
| IA | Keza retires. | |
| MIT | xRoToo leaves. | |
| January 4 | ||
 SMOG Alpha,  Boston Academy,  PRS Gaming, Undeniable,  Phase One Esports, Convoy Gaming, Aphelion Esports, and RVNG qualify for the CDC North America 2023 Elite Stage 1. | ||
 Aw0babobs,  La Nave Del Misterio, Nervous But Confident, Team Notorious, Gody Gakpo,  Clutch Rayn Esport,  Team Falcons, and Elevate qualify for the CDC Europe 2023 Elite Stage 1. | ||
| PB | Setzyy retires. | |
 D1 | Vitaah joins. | |
 SMAL | Snoopy joins. Vitaah leaves. | |
 IBG | Bink joins. | |
 AE | Gio joins. Bink leaves. | |
| CNVY | WarDy and Wyggzz (Analyst) join. Phantomz leaves. | |
| FWE | Wyggzz (Analyst) leaves. | |
| WaR | Fire and Parasite join. WarDy leaves. | |
| WaR | Jimbo renames to Lao. | |
| CR | Izaac joins. | |
| TFeL | 2ReaL, FeLo, Ghosty, Ulisses, and Nagafen (Coach) join. | |
 LNDM | RenKoR, Sukry, SupeR, YaKo, and Sikotik (Coach) join. | |
| January 4 (approx.) | ||
| PB | Rhein joins. | |
 ALPH | Supreeme joins. Coorsa leaves. | |
| January 3 | ||
| IBG | Ghosty leaves. | |
 ESG | Maux retires. | |
 LAG | Assault, Exceed, and JoeDeceives join. Neptune and Spart move to substitutes. | |
| LAG.A | Neptune, Noysii, and Spart join. Assault, Exceed, and JoeDeceives leave. | |
| LAG | Huke leaves. | |
| ESG | Estreal and Noysii leave. | |
| January 2 | ||
 TRB | BoLu, Jezz, Marshy, and Slothy leave. | |
| January 1 (approx.) | ||
 OCU | Frostie joins. | |
 NYM | Carlinhos, LittleB, Nero, Rebalo, Solar, Space, Yawn, and ZiM (Head Coach) leave. | |
 DYG | Ruoxi joins. | |
| January 1 | ||
| TRB | Tectonic leaves. | |
| DCM | Zinx (Head Coach) joins. | |