[6] He is perhaps best known for his fight with Australian prop Greg Dowling which continued on the sideline after both players had been sent to the sin-bin by French referee Julien Rascagneres.
Kevin Tamati played at prop in Widnes' 19–6 victory over Wigan in the 1984 Challenge Cup Final during the 1983–84 season at Wembley Stadium, London on Saturday 5 May 1984, in front of a crowd of 80,116.
Kevin Tamati played at prop in Widnes' 8–12 defeat by Barrow in the 1983 Lancashire Cup Final during the 1983–84 season at Central Park, Wigan on Saturday 1 October 1983, appeared as a substitute (replacing Second-row Les Boyd) in Warrington's 8–34 defeat by Wigan in the 1985 Lancashire Cup Final during the 1985–86 season at Knowsley Road, St. Helens, on Sunday 13 October 1985,[8] and played at prop in the 16–28 defeat by Wigan in the 1987 Lancashire Cup Final during the 1987–88 season at Knowsley Road, St. Helens on Sunday 11 October 1987.
[9] Kevin Tamati played at prop in Widnes' 10-18 defeat by Leeds in the 1983–84 John Player Special Trophy Final during the 1983–84 season at Central Park, Wigan on Saturday 14 January 1984, and played hooker (replaced by substitute Alan Rathbone at half-time) in Warrington's 4-18 defeat by Wigan in the 1986–87 John Player Special Trophy Final during the 1986–87 season at Burnden Park, Bolton on Saturday 10 January 1987.
Tamati was employed as a rugby league development officer with Warrington Borough Council for nine years from 1989 to 1997 when he left in 1997 to take up a full-time position coaching the Lancashire Lynx.
[11] Tamati had previously been coaching Chorley Borough part-time, but the club's rebirth as the Lancashire Lynx prompted him to take up the roll full-time.
[18] On episode 2, he personally served dishes for his former teammates, including Hugh McGhan, Dean Bell, Frano Botica and Dane O'Hara.