Mego Moss quickly made his way to the front from post three well before the opening quarter in :27.3 with Its Payday Friday () and even-money favourite Hldontghttoyurdrms ( ) still parked on the outside.
MacDonald elected to allow Its Payday Friday to command well before the half in :56.1, but Hldontghttoyurdrms was still parked on the outside.
The pair would match strides past three-quarters in 1:24.1 with Mego Moss enjoying a ground-saving trip through speedy fractions.
Down the stretch, MacDonald angled his charge three-wide and the 11-time winner gobbled up racetrack to win by one length. Crosbys Clam Bake () came from behind to finish second, with Flight Of The Kiwi ( ) third. Its Payday Friday settled for fourth, with Hldontghttoyurdrms fifth.
Trained byfor owners Robert Watson, Mike Bartram and Armando Cappuccitti, Mego Moss increased his lifetime earnings to $128,845.
The five-year-old gelded son ofhas amassed a 4-1-2 record from 12 starts this season.
He paid $7.20 to win.
Last week's winner, West Side Story, elected to skip this week's second leg in order to prepare for the $43,000 final which goes Saturday, April 26.
by Greg Gangle, for WEG