Murphy Su'a played for the Auckland Cricket Association from 1990 to 1996 and represented New Zealand in that period, including being a member of the 1992 World Cup squad.
[citation needed] Since retiring as a player, he worked as the Samoa national cricket team coach.
[1] Murphy Su'a made his international debut on 30 January 1992 in the second Test of the three-match series against England at Eden Park as he took three wickets.
[4] After being selected for the 1992 Cricket World Cup and not receiving a single game,[5] his next international appearance was in the Zimbabwe series where in the second test played at the Harare Sports Club, he recorded his first five-wicket haul in the first innings as he helped New Zealand win by 177 runs.
[8][9] In November of that year, he would only go on to play two Tests of a three-match series in Australia where he took three wickets.