The team is one of the league's charter members, first established for the 2018 MPBL season, where they also made their only finals appearance to date.

[1] Muntinlupa went on to lose the series in four games, making Batangas City the league's inaugural champions.

Muntinlupa continued winning in the 2018–19 season, keeping the same core players and once again claiming third seed in the South Division with a 15–10 record.

The Cagers, now led by GJ Ylagan, win only seven games in the 30-game season, which ranked the team 13th in the South.

With the acquisitions of collegiate players John Amores and JL Delos Santos, as well as former Davao Occidental member Marco Balagtas, the Cagers rose to a 16–12 record, ranking sixth in the South.