Saturday's lone goal in Minnesota United's 1-0 victory over FC Dallas came in the 94th minute, from Robin Lod's right foot in the goal line's shadow.
The momentum for it might have come from much farther away on the outside, from the energy fullbacks Romain Metanire and Chase Gasper expended up and down each sideline.
The Loons outshot FC Dallas 27-6, but just seven of those were on target for a team that nonetheless persevered until Lod finished off teammate Emanuel Reynoso's curling corner kick after defender Brent Kallman got his head on the set piece's initial touch from 9 yards out.
Afterward, Heath praised both Gasper on the left side and Metanire on the right for their ability and willingness to push the Loons' attack forward from the wings late in the game while they also ran back to defend.
The Loons' second consecutive 1-0 victory also was new starting goalkeeper Tyler Miller's second consecutive clean sheet.
"When I look at the last 20 minutes, it was the endeavor, the determination, the desire to make something happen, especially from our two fullbacks," Heath said after Saturday's game. "The way we play, they have to put in an incredible amount of energy. Romain and Chase really gave us something later on in the game."
FC Dallas goalkeeper Phelipe Megioloro blocked Metanire's powerful drive on a right-side run in the 82nd minute. As stoppage time ticked away, Gasper's effort pushing deep into Dallas territory created the decisive corner kick.
"We were in the ascendancy for probably most of the second half," Heath said. "But a team like them, you're always worried that you're going to get done with the old sucker punch on the counter. Tonight, we didn't."