Mufasir-ul-Haq, who died in Karachi on July 27, 1983, aged 38, played his one Test match, for Pakistan against New Zealand, at Christchurch in February 1965, taking three wickets and scoring 8 not out. A left-arm medium-paced bowler, he played for Karachi, PWD and National Bank in first-class cricket. He was only the second Pakistani Test cricketer to die, the first being Amir Elahi.
Wisden Cricketers' Almanack

Left-hander Mufasir-ul-Haq, who died in Karachi on July 27 at the age of 38, played in one Test for Pakistan during the 1964-65 tour of New Zealand, taking three wickets for 84 with fast-medium bowling and scoring 8 not out at No.11 in the third Test, at Christchurch. On the tour of Australasia he took 11 wickets at 49.54. In domestic cricket he played for Karachi, PWD, East Pakistan and National Bank, and later served as a selector and first-class umpire. Mufasir is only the second Pakistan Test cricketer to die, Amir Elahi having died in 1980.
Wisden Cricket Monthly