A disappointing evening for Hereford at Warrington.
Warrington took the lead on 21 minutes.
Two minutes later Hereford's Sammy Robinson was sent off.
Hereford had chances to equalise and late in the game manager Paul Caddis brought on an extra striker, Ty Deacon.
But Warrington doubled their lead just inside injury time.
This was Hereford's first defeat in the League on the road this season.
Full Time: Warrington 2 Hereford 0
Hereford drop to 5th in the table.