The French veteran had been battling the Texas heat in the first half of the clash with FC Dallas at Toyota Stadium which prompted Petke to ponder bringing him off at half-time.
However, Henry remained on the pitch and came up with a clever cut-back pass to provide Bradley Wright-Phillips with the only goal of the match in the 71st minute.
It was a moment of class from Henry and his contribution was certainly not lost on Petke who praised the Arsenal icon for guiding the Red Bulls to a third win in four outings.
"That's why you keep someone like him on, because he comes up in moments like that," said Petke after the win.
"That's why he's paid what he's paid and that's why he is who he is and why he's been where he's been. He sees things like that, and great assist today for Bradley."
Henry, conversely, suggested that it was a subpar performance from the Red Bulls who could only break down a ten-man Dallas late in the contest following JeVaughn Watson's straight red card in the 10th minute.
"We had to play better than what we did," said Henry. "At the end of the day, we won. It's a good win for us, but I don't think Dallas deserved to lose."
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