Miller booted three first-quarter goals and finished with five for the match, to give Coburg every chance of making it back-to-back wins and keeping its slim finals chances alive.
He was an imposing target up forward, with his strength, marking prowess and overall football nous.
Coburg jumped out of the blocks to lead by 26 points at quarter-time, but by the last change the Cats had reduced the deficit the just five points and, in the final term, they finished strongly to record a 15-point win - 15.9 (99) to 12.12 (84).
Another Richmond-listed player, who was prominent for Coburg throughout the game was Mitch Morton, who won plenty of ball around the ground and used it effectively.