Toronto FC saw their unbeaten run come to an end at Subaru Park, dropping a 4-2 result to the Philadelphia Union on Saturday night.
Mikael Uhre recorded a hat trick on the night with the Reds falling behind 4-0 after 56 minutes.
Lorenzo Insigne, starting his first match since the season opener, scored his first goal of the season on a terrific curling effort to the far post in the 66th minute.
Richie Lareya scored his second goal in as many games in stoppage time for a late consolation tally.
The Reds return to action at BMO Field to take on New York City FC on April 29 at 7:30pm.