 Dunn is best remembered for the 1945 Grand Final in which he scored 19 of East's 22 points, a record that still stands today for the most points scored in a premiership decider.In an interview with Sean Fagan, Dunn recalls the final minutes of the match –

The scores and play fluctuated and they led us with about four minutes to go by 18 to 17.We got a penalty on the half way line and Ray Stehr [captain] says "kick for the sideline".