Glen Durrant opened up a four-point lead in the Unibet Premier League with a feisty victory over Gerwyn Price.
There was plenty of edge on the oche between the two men as Durrant took a 4-1 lead.
Price fought back to reduce the deficit to one, but Durrant pulled away to win 8-4.
Wright started in blistering fashion and took a 5-2 lead with the help of 11 and 12-dart legs.
Both players averaged 101 in a high-scoring shoot-out, but Anderson won six legs on the spin to move into the all-important top four.
Michael Van Gerwen also moved in to the top four with an 8-6 win over Nathan Aspinall.
The three-time world champion has been out of sorts lately and was in trouble again at 4-1 down.
But the Dutchman found his range and replied by winning the next four legs.
Aspinall levelled at 5-5 but Van Gerwen won the next three, finishing in style with a 13-dart leg, to elbow the Englishman out of the top four.
Michael Smith joined Aspinall on 11 points from 10 games by comfortably beating Daryl Gurney 7-3.
Smith and Aspinall trail Wright, Van Gerwen and Anderson by one point in what is shaping up to be a tight race for the top four.