In 1978, McNulty began his professional career on the
Southern African Tour and also played on the
European Tour. His first professional win was at the
Greater Manchester Open on the European Tour in 1979. His first win on the Southern African Tour was at the 1980
Holiday Inns Invitational in
Swaziland. By 1986, he was a dominant player on the
Southern African Tour picking up seven official wins in that year and also winning South Africa's most lucrative event, the
Million Dollar Challenge. In the same year, he finished in the top-10 on the
European Tour's Order of Merit for the first time, placing sixth. He had six top-10 European Order of Merit finishes in total, including second places in 1987 and 1990. The last of these was in 1996, when he came fifth. His win tally on the European Tour was 16, including the
1996 Volvo Masters, which was the European equivalent of the
PGA Tour's
Tour Championship. He won the
Sunshine Tour Order of Merit nine times. In July 1990, at the
119th Open Championship at the
Old Course in
St Andrews,
Scotland, with a closing round of 65 (−7), the lowest score of the last round, McNulty finished tied second with
Payne Stewart, after winner
Nick Faldo. McNulty represented Zimbabwe seven times at the
Alfred Dunhill Cup and eight times at the
World Cup. The Zimbabwe team twice finished runner-up to United States, 1993, when McNulty teamed up with
Nick Price at the
Lake Nona Golf & Country Club in
Orlando, Florida, and at the
1994 World Cup of Golf in
Puerto Rico, where the team of McNulty and
Tony Johnstone finished second and McNulty finished tied 4th in the individual competition.
Senior career When McNulty turned fifty and became eligible to play senior golf he chose to take part in the U.S.-based
Champions Tour. His first full season in 2004 was highly successful with three wins (including the
Charles Schwab Cup Championship) and a seventh-place finish on the money list. In 2007 he won the
JELD-WEN Tradition, one of the five major championships on the over-50 tour. It was McNulty's sixth career win on the Champions Tour. His seventh win came in 2009 at the
Principal Charity Classic with a playoff win over
Nick Price and
Fred Funk. In 2011 he won the
Liberty Mutual Legends of Golf. ==Personal life==