Career
Mafry spent most of his career with Sabah FA (five years). Nicknamed "Iron Manitoba" by Sabahawk fan supporter due to his tough-tackler, Mafry is a versatile player who can play anywhere on defence, including a more defensive minded midfield role. Mafry helps Sabah FA qualified to the 2010 Malaysia Super League under Manager Gary Phillips.
He can plays in various position as defender, centre back and defensive midfielder.
The Sabahawks fans called him "Iron Manitoba". He is also co-captain for the Sabah FA. After the meetings held by Sabah FA management, they made the final decision to released Mafry Balang with 13 other players for the 2013 Malaysian league.
He had joined as a loan player for 2012 Malaysia Cup campaign with Afiq Azmi and Mohd Aslam Haja Najmudeen. They had helped grab the 2012 Malaysia Cup throphy for the second times.
Foreign the 2013 Malaysia Premier League, he had joined.
After spending two seasons with Sarawak, Mafry joins Penang FA for the upcoming 2015 season. He is also accompanied by his Sarawak teammate, who is Sani Anuar Kamsani.