Mortaza used to be considered one of the fastest bowlers produced by Bangladesh, previously bowling in the mid-135s km/h in the 2000s,[3] and regularly opens the bowling. He is a useful lower-middle order batsman, with a first-class century and three Test half centuries to his name. Mortaza's career has been hampered by injuries and he has undergone a total of ten operations on his knees and ankles.
Mortaza retired from Test cricket in 2009 due to continuous back injuries and continued to play in shorter formats. On 4 April 2017, he announced his intentions to retire from T20Is as well. He retired from all T20Is on 6 April 2017.[4]