Blacklist International • Two-time MPL-PH champions and M3 World Champions
Johnmar "OhMyV33NUS" Villaluna and Danerie James "Wise" Del Rosario will not be playing for this season, owing to their 'much-needed break'. The duo of Blacklist International has steered the Blacklist team to three championships and two first runner-up finishes in 2021 MLBB season in which two championships came from the wins of MPL Season 7 and Season 8, and the third came from the
MLBB M3 World Championship, in which they have swept the Grand Finals against compatriot
ONIC Philippines, 4 games to 0, to secure the back-to-back world championships for the Philippines.
Bren Esports • CJ "Ribo" Ribo, will not be playing for this season, as announced in his Facebook account that he will rest for the said season. Ribo has won several MLBB tournaments in both local and international levels, including a gold medal which he won during the
MLBB tournament of the 2019 Southeast Asian Games representing Team Philippines.
ECHO Philippines • The team unveiled its roster for this season last December 21, 2021, featuring some of what is considered by many as a 'super team' in key acquisitions of M2 World Champion and Finals MVP Karl Gabriel 'KarlTzy' Nepomuceno which he departed from his former team in Bren Esports, along with former member of Nexplay EVOS Tristan "Yawi" Cabrera and former EXP laner of TNC Pro Team, Frediemar '3MarTzy' Serafico. Also returning for the team is Ashley Marco "Killuash" Cruz, who took a break from the competitive scene last season. • The team also retained the services of holdovers from last season in Christian "Rafflesia" Fajura, Jaymark "Hadess" Lazaro, Jankurt "KurtTzy" Matira, Aaron "AaronQT" Lim, Benedict "BennyQT" Gonzales, and Rion "RK3" Kudo. Nexplay would retain the services for Salonga, Barcarse, Jeniel Bata "YELLYHAZE" Anon and Jhonwin Dela Merced "HESA" Vergara and the additions of rookies in Mariusz Villamero "DONUT" Tan, Rainiel Jhim Agustin "URESHIII" Logronio, the addition of Veteran player Jeff Lenjesson "S4gitnu" Subang, Kenneth Palejo "CADENZA" Castro, Michael Medrocillo "MP the King" Endino and Emmanuel Cervantes "Elpizo" Candelaria.
Smart Omega • After getting eliminated from the Grand Finals contention in the Lower-bracket Finals against Blacklist International, Smart Omega had finished third, failing to secure a spot for the
MLBB M3 World Championship. Smart Omega would retain its roster, but with the addition of Jhonville Borres "OUTPLAYED!" Villar and Cesar Jefferson "Amethyst" Santos.
ONIC Philippines • Despite finishing as runner-up for the MLBB M3 World Championships in the hands of Blacklist International, ONIC Philippines would keep and maintain its roster from MPL Philippines Season 8.
RSG Philippines • Being a new team in MPL Philippines Season 8, RSG Philippines would be eliminated early in the play-in tournament against Smart Omega. RSG Philippines would keep its MPL Philippines Season 8 roster intact but would make significant changes with the additions of Dylan Aaron "Light" Catipon and Clarense Jay "Kousei" Camilo, players from TNC Pro Team - ML. However, Joshwell Christian "Iy4knu" Manaoag had previously announced that he will be taking a break from the professional scene.
TNC Pro Team • After a disappointing finish on MPL Philippines Season 8, TNC Pro Team would begin a rebuild process after the departure of Dylan Aaron "Light" Catipon and Clarense Jay "Kousei" Camilo to RSG Philippines, Patrick "P-GOD" Grecia, Frediemar "3MarTzy" Serafico to ECHO Philippines, Douglas Joseph "ImbaDeejay" Astibe II, == Regular season ==