- April 29th, Sin Gaming's slot and roster is acquired.
- May 15th, Mash joins.
- May 31st, Bdoink leaves.
- December 5th, Phantiks joins as head coach. Juves becomes General Manager. Mash, Chippys and Remind are released.
- December 6th, k1ng, Triple, Destiny, Babip and Topoon join.
- December 11th, Cuden re-joins.
|Date Joined||Player||Real Name||Role|
|Dec 2018||Topoon||Kim Ji-hoon (김지훈)||
|Dec 2018||Babip||Leo Romer||
|Dec 2018||Triple||Stephen Li||
|Dec 2018||k1ng||Calvin Truong||
|Dec 2018||Destiny||Mitchell Shaw||
|Dec 2018||Cuden||Mike Le||
- Mammoth Esports' Twitter Post twitter.com
- MAMMOTH officially release 2018 roster, secure Phantiks as Head Coach snowballesports.com
- Mammoth Esports' Facebook Post facebook.com