He was also a member of the Winnipeg Blue Bombers, Indianapolis Colts, Montreal Alouettes, Dallas Cowboys, and Saskatchewan Roughriders.

[4] Muamba played in 11 regular season games in 2011 where he totalled 15 special teams tackles, one forced fumble, and one touchdown.

He set a new career high with 106 defensive tackles (second most in the league), while also adding one quarterback sack and one interception.

[9] On September 30, 2015, Muamba signed with the Montreal Alouettes nearing the end of the 2015 CFL season.

[13] On October 5, 2016, Muamba and the Saskatchewan Roughriders agreed to terms on a contract bringing him back to the CFL for the third time.

In a partial season with the Riders, Muamba contributed 18 tackles on defence, nine on specials teams, with two sacks and two forced fumbles.

Muamba was released by the Riders at the start of free agency, to avoid paying him an offseason bonus of $35,000 Canadian.

[20] The Alouettes also returned to the playoffs in 2019 after a four-year absence and Muamba played in two post-season games where he recorded a total of 15 defensive tackles.

[21] In his first season in Toronto Muamba played in 10 games contributing with 49 tackles, two quarterbacks sacks and one interception.

[24] In the days following the start of free agency the Argos head coach Ryan Dinwiddie said the team was in correspondence with Muamba about his future.

[28] Muamba was born in Kinshasa, Zaire (now Democratic Republic of the Congo), but grew up in Mississauga, Ontario.