| December 31 edit |
|---|
EU |  VRTX | Hecful, Hectiic, Mykiih, and Vision join. |
NA |  TRI | Davpadie rejoins. |
CDL |  PAR | AquA, Classic, Fire, Skrapz, and Theory (Head Coach) join. |
| December 30 edit |
|---|
EU |  RVNS | Melvvyn leaves. |
EU |  OBT B | Beans leaves. |
EU |  QLS | Oney joins. |
| December 29 edit |
|---|
LA |  NL | Kimwax joins. |
NA |  NOVA | Banned and Image (Coach) join. |
EU |  GB | Momentus joins. Loki leaves. |
LA |  AK | Supreeme and Destinyy (Coach) join. Blitz leaves. |
LA |  ACE1 | Rydekz, Supreeme, and Destinyy (Coach) leave. |
| December 28 edit |
|---|
EU | GB | Avo joins. Loki, PraaX, and ReskiA rejoin. |
EU | OBT B | PraaX leaves. |
NA | |  Wild Wild west   Las Vegas Inferno in the Cheetowunga $1500 4v4 Variant 2020-12-27. |
AP | |  Team Mayhem  GodLike Esports in the India Challenge 2020 Finals. |
EU |  AML | Zappy joins. |
LA |  MAF | Nodish and ShadizT leave. |
| December 27 edit |
|---|
NA |  ARC | Hydro, OASIS, SNLESS, and TrenchUnit join. |
EU |  LUC | Avo, Divvxll, Haz, and Temptacixn leave. |
NA | | PotentAnt6882 SweetZebra9826 in the CheckMate Gaming Elite $1200 4v4 S&D 2020-12-27. |
EU | |   Team Singularity  RAMS in the Esports Hub $1,000 4v4 Variant 2020-12-27. |
AP | |  FunPlus Phoenix  Raptors.DNS in the Garena Taiwan Winter Championship 2020. |
AP | |  Qing Jiu Club  Dynamite Gaming in the Tencent Global Arena Winter Invitational 2020. |
LA | ACE1 | DreaMz and HeTor leave. |
| December 26 edit |
|---|
NA |  FLu | JHaZe, ReeKuu, SliMagik, Stuntron, and Routines (Coach) join. |
EU | AML | Danny leaves. |
| December 25 edit |
|---|
EU |  PSH | Monster, MykeeL, and Phoekz join. RenKoR rejoins. |
EU |  TGP | Dani, GagonsY, JFKaKo, RoGGeR, and Torress join. |
EU |  ILUR | Dani, GagonsY, Hyzzn, JFKaKo, and RoGGeR leave. |
EU | QLS | Torress leaves. |
| December 24 edit |
|---|
AP |  RUSH | Vebra becomes inactive. |
NA |  dGen | Faded (Coach) joins. |
AP | RUSH | Sirius joins. |
EU |  FTW |
Marky joins as substitute. |
| December 23 edit |
|---|
EU |  RYS | EPiK, GeNiiuZ, HerNaN, and IsMa join. |
NA |  NY.A | Diamondcon joins. |
| December 22 edit |
|---|
AP | |  PDR Reborn  NRX Jeremiah 29:11 in the Garena Philippines Invitational 2020. |
NA | | Team Aydan Team BobbyPoff in the Toronto Ultra 100K Payout Holiday Feast. |
NA |  NFIN | Charullz leaves. |
NA | TRI | FeLo leaves. |
| December 21 (approx.) edit |
|---|
NA |  DIA | Beanz, Buzz, Conspirxcy, and Lightning leave. |
EU |  GANG | Keza and WarDy join. Breszy and Urban leave. |
| December 20 edit |
|---|
NA | | Team DougIsRaw Team Clayster in the New York Subliners $100K WarzoneMania. |
NA | |  Concord University  University of Alabama in the Tespa Collegiate Cold War Playoffs. |
EU | |  Team eMpted RAMS in the EEG European Cup 2020. |
AP | |  Rush Gaming アリスの憂鬱 in the SCARZ Cup 2020. |
EU |  eMpt | EriKBooM, MethodZ, SupeR, and YaKo join. |
| December 20 (approx.) edit |
|---|
NA |  CGA | JoeDeceives, Lunarz, Stooky, and Vital leave. |
| December 19 edit |
|---|
EU |  SWN | Keza leaves. |
LA |  styX | Cllyne joins. |
EU | OBT B | PraaX joins. Taaqz leaves. |
EU | GB | Loki, PraaX, ReskiA, and SlyZh leave. |
EU |  CR | SLG joins. SlyZh leaves. |
NA | | Underrated! Tournament Players in the Toronto Ultra 5K Holiday Snack 2020. |
| December 18 edit |
|---|
EU | LUC | Haz retires. |
NA |  SIC | Gunsiii, Nightmare, Pure, and Ryza leave. |
NA | | ZLaner & Aydan BobbyPoff & UnRationaL in the Dallas Empire Jack Links Winter Invitational. |
NA | | thecodgodsblessing HighPorpoise5360 in the CheckMate Gaming Winter Brawl $1000 2v2 S&D 2020-12-18. |
CDL | | Call of Duty League 2021 season format unveiled. |
LA |  MLK | FaTaL, Sheed, SkuuuL, and Soldier join. |
| December 18 (approx.) edit |
|---|
EU |  CONN | Linney joins. |
EU | SWN | Linney leaves. |
| December 17 edit |
|---|
INT | | Day 4 of the 2021 Scouting Series is canceled due to player participation in the Toronto Ultra 5K Holiday Snack. |
NA |  PRLM | ElectricAim, Rush, Striker, and Tyrannicide join. |
NA |  sX | Curtacy, Cxnspiracy, Ghosid, and Perfxctionz join. |
NA |  BBG | Pentagrxm joins. Maux becomes inactive. |
| December 16 edit |
|---|
EU |  AZT | Saiyan and YellowBeanBag join. Meemo and Seedy leave. |
NA | | Doritos Bowl 2020 delayed due to Warzone Season 1 update issues. |
| December 15 (approx.) edit |
|---|
NA |  AtK | COuTside, Merz, Optional, and Revvy leave. |
NA |  bS | Ghosty, Godly, Perf, and Quality leave. |
EU |  AquA | Dynastie, Swazn, Veziok, and Vortex join. |
| December 15 edit |
|---|
EU | | WarsZ & Vapulear Tommey & Rated in the LG UltraGear Best of the Best. |
NA |  HYXR | Mayhem joins. Pentagrxm leaves. |
| December 14 edit |
|---|
NA | | Mochila and the Kidz  Theory Nation in the Cheetowunga $1275 4v4 Variant 2020-12-13. |
NA |  KCP | Charm leaves. |
NA | DIA | Conspiracy leaves. |
| December 13 edit |
|---|
NA | |  WestR  HYXR in the Call of Duty Challengers 2021 Cup #2 North America. |
EU | |  Orgless RAMS in the Call of Duty Challengers 2021 Cup #2 Europe. |
AP | |  Renegades  Chiefs Esports Club in the Call of Duty Challengers 2021 Cup #2 Asia Pacific. |
NA |  eRa | Brxdy, Envader, kushpoint, and Risky leave. |
LA |  4LF4 | Reivax and SanTy rejoin. Dylan and Rexmy leave. |
| December 13 (approx.) edit |
|---|
NA | SLAM | Mochila joins. Hazy leaves. |
| December 12 edit |
|---|
NA |  UG | Este and Oog join. |
| December 11 edit |
|---|
EU |  KING | ExZ and vere leave. |
EU | GB | Loki, PraaX, Reskia, and Slyzh join. |
EU |  WtD B | Loki, PraaX, XenoN, and ZaaQ leave. |
NA | | HardPorpoise9669 iwantpac in the CheckMate Gaming Winter Brawl $1000 2v2 S&D 2020-12-11. |
NA | |  US Space Force  Royal Air Force in the Call of Duty Endowment Bowl 2020. |
EU |  SNG | Revolt (Content Creator) joins. |
CDL |  LAT | Temp joins. |
EU |  MV3 | Ninjaso, ReeaL, Sukry, Vikul, Toro (Coach), and Guille (Manager) join. |
| December 10 edit |
|---|
NA |  100T | Enable (Content Creator) joins. |
CDL | LAT | JKap (Head Coach) joins. |
| December 9 edit |
|---|
NA | UG | Demonic and Zink leave. |
EU | QLS | Buller, Fussion, PuNi, Torress, and MeyeR (Coach) join. |
LA |  NexT | Nuker joins. |
LA | styX | Nuker leaves. |
| December 8 edit |
|---|
NA | | Team PRAY3RS Team Braalik in the Doritos Bowl 2020 Open Qualifier. |
AP | | Chiefs Esports Club 2Balanced in the ASTRO Gaming Community Showdown 2020 AP Finals. |
NA | | uT Crew x FaZe Play like JuJu in the ASTRO Gaming Community Showdown 2020 NA Finals. |
EU | | Team Singularity  House Tarth in the ASTRO Gaming Community Showdown 2020 EU Finals. |
NA | SIC | Taylor Keating (Head Coach) leaves. |
NA | TRI | Willett (Head Coach) joins. |
| December 7 edit |
|---|
COL |  UI | Ghosty joins. |
NA |  J4L | DeoX, Derp, DraMa, Gavin, Hitmxn, and Gmay (Coach) leave. |
INT | | Call of Duty Mobile World Championship 2020 is cancelled due to COVID-19. |
EU |  BDG | JordJP, Myki, Nxsus, and VitxL leave. |
CDL |  FLA | Slacked joins. |
LA | NexT | Cllyne leaves. |
AP |  CHF | Crimzah, Setzyy, Swifty, and Zepa join. |
| December 7 (approx.) edit |
|---|
EU | CONN | MadCat leaves. |
| December 6 edit |
|---|
NA |  R5 | ElectricAim, Rush, Striker, and Tyrannicide leave. |
NA | | RobustNarwhal3842  Team dGeneration in the CheckMate Gaming Elite $1200 4v4 CDL Variant 2020-12-06. |
LA | |  Maycam Evolve  Sixth Gear BR in the ArenaOn PandaPay Invitational 2020. |
NA | | WestR RevengeTour in the Call of Duty Challengers 2021 Cup #1 North America. |
EU | | House Tarth Team Singularity in the Call of Duty Challengers 2021 Cup #1 Europe. |
AP | | Renegades  VOID in the Call of Duty Challengers 2021 Cup #1 Asia Pacific. |
| December 5 edit |
|---|
EU | CR | SlyZh joins. SwearZo leaves. |
NA | KCP | Charm, Copier, Kade, and Nova join. |
NA |  LVI | Forgiven leaves. |
NA | BBG | GodRx, KiSMET, Maux, and Pandur join. |
EU |  MKS | Wartex joins. FeleXY leaves. |
NA | DIA | Beanz, Buzz, Cxnspiracy, and Lightning join. |
NA | eRa | Brxdy, Envader, kushpoint, and Risky join. |
LA |  VrT | Crawly, Hnaugur, JHustleR, and Teylooba join. |
LA | 4LF4 | Dylan and Rexmy join. |
LA |  TALY | Dylan and Rexmy leave. |
| December 4 edit |
|---|
EU | L‘ES | aMaZe, Bissell, Haddzy, and SamuelG join. |
NA |  InC | Akimbro, Infiniteris, Purixal, and Wishh join. |
AP |  RC | Galiard, NewYork, NiRu, Youki, Metaron (Coach), and Sokube (Coach) join. |
EU | OBT B | Beans and Taaqz join. Melko and ReskiA leave. |
EU | WtD B | ZaaQ joins. Taaqz leaves. |
NA | J4L | Hitmxn joins. Equuip leaves. |
EU | AML | Alfoon and Danny join. |
NA |  XSET | JaredFPS (Streamer) joins. |
| December 3 edit |
|---|
NA |  F/A | Cilantro renames to maki. |
NA | | uT Crew x FaZe Play like JuJu in the ASTRO Gaming Community Showdown 2020 NA Qualifier 2. |
EU | | Team Singularity House Tarth in the ASTRO Gaming Community Showdown 2020 EU Qualifier 2. |
AP | | VOID KLAS in the ASTRO Gaming Community Showdown 2020 AP Qualifier 2. |
NA | dGen | Bink, Cruze, Infinit, and Mind join. |
EU |  T3 | Kylzen, Logicxn, and Provrs join. JCWyley, Jodly, and Tremor leave. |
EU | ILUR | Dani, GagonsY, Hyzzn, and RoGGeR join. |
LA |  NK | FaTaL and SkuuuL leave. |
| December 2 edit |
|---|
MLA | NL | Team signs roster of  Infinex Gaming. Cheto, nVoi, Slothy, Tetillo, and Yujii join. |
MLA |  IFX | Roster is signed by  Nativos Latinos. Cheto, nVoi, Slothy, Tetillo, and Yujii leave. |
NA | bS | Ghosty, Godly, Perf, and Quality join. |
NA |  PE | Cryptic joins. Uli leaves. |
AP |  T1 | Team is sponsored by Red Bull. |
NA | UG | Demonic, HyPno, Prodigy, and Zink join. |
| December 1 (approx.) edit |
|---|
MGR |  IMP | Acee, Adapt, Burgerbonez, Glorify, Rainy, and Skai leave. |
LA |  ZWN | Vixen joins. Doty leaves. |
NA | LVI | Rampy joins. Pawns leaves. |
EU |  TOT | Nevo, WarDy, Wartex, and Watson leave. |
LA |  sKAE | Goldz, Sheed, Suricato, and DreeyK (Coach) leave. |
EU | GANG | Breszy, Chain, Urban, and Wailers join. |
NA | SLAM | Hazy, Onyx, Scrappy, and Teskiy join. |
AP | RUSH | GreedZz becomes inactive. |
LA |  SHY | DJ and Evadde rejoin. |
NA | NOVA | AY, Kraken, Shadow, and Vitaly leave. |
EU |  FNC | Moonryde (Content Creator) joins. |
EU |  TWI | Aarxn, JnRicoo, Korrupt, and Vinnie leave. |
| December 1 edit |
|---|
NA |  WstR | Fenix (Coach) joins. |
EU | AZT | JonnyW, Meemo, RunneR, and Seedy join. |
AP |  CAG | moke, kakeru (Analyst), and Kbaton (Manager) join. Leisia and Ngt rejoin. Nicochan (Streamer to Player) changes position. |
AP |  SZ | Ngt leaves. |
NA | | JNNS  Unjustified Gaming in the ASTRO Gaming Community Showdown 2020 NA Qualifier 1. |
EU | | Orgless RAMS in the ASTRO Gaming Community Showdown 2020 EU Qualifier 1. |
EU |  FLI | Seannyy leaves. |
AP | | 2Balanced TBA Yo in the ASTRO Gaming Community Showdown 2020 AP Qualifier 1. |
