The winner of the Sky Bet World Grand Prix in 2001, twice reached the final of the World Matchplay and once those of the Embassy (1993, 6-3 defeat against John Lowe) and the Winmau World Masters. In addition, Warriner, among others, the British Open (1990) and UK Matchplay (1995) won.
The last years he fell back a bit less with the Warriners darts and is off the top of PDC ranking. On his World Championship debut in the PDC Warriner obtained in 2006, once again for a long time an appealing result: he reached the quarter final in which he stranded against compatriot Wayne Mardle.
- 1993 Alan Warriner-Little John Lowe-6-3 (best of 11 sets ')