Macoumba Kandji hit the net twice as Houston ran out to a convincing win over expansion side Montreal.
The big forward's first came in the seventh minute, with Kandji tapping home the finish after having an audacious flick blocked in front of goal.
That lead held put until the 84th minute when Bobby Boswell headed home a Brad Davis corner to put the host side up 2-0.
Kandji rounded out the scoring four minutes later with a brilliant solo run through Montreal's back line, putting the finishing touches on a brilliant personal performance and a solid win for the Dynamo.
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