The Philadelphia Union held off the Chicago Fire in the first-round opener of the MLS Cup playoffs on Sunday. Jesús Bueno scored the decisive goal in a penalty-kick shootout after the Union blew a two-goal lead late. The match ended in a 2-2 draw in regulation, with Indiana Vassilev and Milan Iloski scoring for Philadelphia. Jonathan Bamba and Jack Elliott scored for Chicago, with Elliott's goal coming in the third minute of stoppage time. The Union's Andre Blake finished with three saves in goal, while Chicago's Chris Brady didn't have a save in regulation. The series shifts to Chicago on Saturday. Philadelphia has made the postseason in seven of the last eight seasons and nine overall. The Union won the Eastern Conference and Supporters' Shield this season. The club's goalkeeper, Andre Blake, allowed 20 goals in 13 prior postseason starts for the Union dating to 2016. The Philadelphia Union's win was a thrilling start to their MLS Cup campaign. The team's fans will be hoping for another strong performance in the next match. The Union's players, including Jesús Bueno and Indiana Vassilev, will be looking to build on their win. The Chicago Fire will be looking to bounce back from their loss. The series is now tied, with the next match scheduled for Saturday in Chicago.