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| December 31 (approx.) | ||
|---|---|---|
 ESP | LynxXx, Nelson, and Nihill join. Bevils, Bloodz, and PhenoM leave. | |
 VexX | EnZo, MuTaTioN, PLuTo, and SiLLY leave. | |
 nVz | Ato, Daddy, Kkirbyy, and PleasR leave. | |
| December 30 | ||
 fabE.A | DaReDeViL rejoins. | |
| December 29 | ||
 EcHo | AquA and Trev join. FeaR and Realize leave. | |
| December 28 | ||
  Team JusTus   Denial Esports in the MLG GameBattles 5000 Series 2014-12-28. | ||
| December 27 | ||
 OpTic Gaming  Strictly Business in the UMG Gaming 5000 Series 2014-12-27. | ||
| December 25 | ||
 ON | Swanny joins. | |
| December 23 | ||
 SYN | MBoZe joins as temporary substitute for UMG Orlando 2015. | |
 -SK- | EliTz joins. FKiNg leaves. | |
| December 22 | ||
 aR | Anticity moves to starting roster. Tipsy leaves. | |
| SYN | Anticity leaves. | |
 NK | Delay rejoins. EliTz, Lipe, and RoDy leave. | |
| December 21 | ||
 VrT | Doty joins. | |
 MIB | Doty leaves. | |
 Millenium  eQuinox eSports in the EGO AW #1. | ||
Strictly Business  Stunner Gaming in the MLG GameBattles 5000 Series 2014-12-21. | ||
| December 20 | ||
| EcHo | FeaR joins. Stun leaves. | |
 fabE.D | MacMiLiX leaves. | |
 AG | PleasR joins. | |
 FeaR | ASSASS1N rejoins. | |
| December 19 (approx.) | ||
 AnV | DevicZ, Nani, Telo, and ZeeK leave. | |
| December 19 | ||
| EcHo | Gucci, Realize, Saintt, and Stun join. | |
| December 18 | ||
| SYN | Anticity, FeLonY, Methodz, and TcM join. | |
 F/A |  TCM-Gaming Millenium in the Cdiscount MCup AW 1. | |
| December 16 (approx.) | ||
 ORB | Ivy leaves. | |
| December 16 | ||
| ON | MBoZe leaves. | |
| December 15 | ||
| ORB | Anticity, FeLonY, and TcM leave. | |
| December 15 (approx.) | ||
| nVz | KKirbyy and PleasR join. HulK and KaSsOoA leave. | |
| December 14 | ||
| VexX | EnZo and SiLLY join. BRiM and JRich leave. | |
| NK | Delay leaves. | |
| OpTic Gaming Stunner Gaming in the MLG GameBattles 5000 Series 2014-12-14. | ||
| December 13 | ||
| ORB | Anticity, FeLonY, Ivy, and TcM join. | |
| Denial Esports OpTic Gaming in the UMG Gaming 2000 Series 2014-12-13. | ||
| December 11 | ||
 x6 | FlexZ and peLukaa leave. | |
| December 10 | ||
| fabE.A | DEVR and LXT join. DaReDeViL leaves. | |
| December 9 | ||
 tR | Hazard joins. | |
| December 8 (approx.) | ||
 ENVY | AquA joins as substitute. | |
 RISE | PRPLXD joins as substitute. | |
| December 8 | ||
 iSo | Jump, KozMo, Swarley, and Vicious join. | |
 iSo.Pro | Huhdle, Rizma, SinfuL, and TwiZz join. | |
| NK | JooW leaves. | |
| December 7 | ||
| ESP | Bevils joins. | |
 XGN | Bevils leaves. | |
| aR | Anticity and Gucci join as substitutes. | |
 CARN | Jump, Swarley, and Vicious leave. | |
 ELV | Team acquires  Noble eSports's MLG Pro League spot. KiLLa, MiRx, Spacely, and StuDyy join. | |
 NBL | MLG Pro League spot is acquired by  Elevate. KiLLa, MiRx, Spacely, and StuDyy leave. | |
 34united  AeQuuS Club in the LVP Season 7 Final Cup. | ||
OpTic Gaming  Revenge in the MLG GameBattles 5000 Series 2014-12-07. | ||
| F/A |  InFamouS.Covenant  Team iDeaL in the Ultimate Arena AW. | |
| December 6 | ||
 InS | Dowkeyy and WizR join. | |
 eQ | TAnt and TRob join. | |
 dT | Octane and Stringo join. Hazard and SanGoku leave. | |
| ESP | Rizma leaves. | |
| aR | Tipsy rejoins. FeLonY leaves. | |
 Prophecy  OpTic Nation in the UMG Gaming 2000 Series 2014-12-06. | ||
 ALL | Batuta leaves. | |
| December 5 (approx.) | ||
 sB | Dedo and Neslo join. SinfuL leaves. | |
| December 5 | ||
| sB | TwiZz retires. | |
 STNR | Huke joins. | |
| iSo | Dev1L, InFamous, Octane, and Stringo leave. | |
 RED | Team is founded in partnership with FaZe Clan | |
| December 4 (approx.) | ||
| tR | Nagafen, Remy, and Stevey join. | |
 AwG | VeXeD joins as substitute. | |
| December 4 | ||
| SYN | Crowster, MoTi, and Muddawg leave. | |
 tK | ColeChan and Neslo join as substitutes. | |
 DNL | Fero and PhenoM join as substitutes. | |
 FaZe | Huke joins as substitute. | |
| ON | FeLonY and SinfuL join as substitutes. | |
 prph | Dedo and Muddawg join as substitutes. | |
| CARN | Jump joins. Huke leaves. | |
 CLS | Gucci, Realize, Saintt, and StaiNViLLe leave. | |
| ELV | Heist, Jump, Methodz, and TcM leave. | |
| ORB | Joee and Reece join. endurAAA and Lewis rejoin. | |
| December 3 | ||
| ESP | Bloodz, PhenoM, Rizma, and TuQuick join. | |
| fabE.D | Bullet joins. | |
 BASI | Veziok leaves. | |
 iLL | Faccento and GodRx join. Fearsome and Skuxx leave. | |
| CARN | VaiN leaves. | |
| December 2 (approx.) | ||
| ORB | Dimi, Faccento, KozMo, and Strife leave. | |
| December 2 | ||
| ESP | LynxXx, Nelson, and Nihill leave. | |
| STNR | ColeChan leaves. | |
| FeaR | ASSASS1N leaves. | |
 wSys | aLeex, IvaaN, Lucky, and Pabloskis join. | |
| December 1 (approx.) | ||
 SoaR | Demented, Incepts, Phaze, and Wolf leave. | |
| ORB | EnZo, Huhdle, Schillez, and SiLLY leave. | |
 NxG | Duke, Kolgaa, and Pibo join. | |
 CTDL | Carry, Flarez, Foshy, and Nimble join. | |
 FTL | Aries, Jayrod, Omega, and Temp leave. | |
 MRTL | JHaZe, Kirby, Rayge, and Zcuz leave. | |
| December 1 | ||
 DOG$ | Joao, OMGui, Reeaper, and Thales join. | |
| FeaR | Dedo and Neslo leave. | |
| nVz | Ato, Daddy, HulK, and KaSsOoA join. | |
| VrT | Didi and Ghostzinho join. | |
| NK | EliTz, Lipe, and RoDy join. | |
 VIT | Swanny (temporary substitute) leaves. | |