Five days after dismantling San Diego 5-0 on the road, Philadelphia Union take their four-game winning run west to Children’s Mercy Park, where Sporting Kansas City sit 15th in the Western Conference with 18 points. For Cavan Sullivan, the teenage midfielder whose name has been on every MLS-watcher’s lips this season, Saturday night represents another chance to perform on a stage that keeps getting bigger. The Union are 7th in the East with 33 points and already sitting in a playoff position; the question now is whether Sullivan and company can put distance between themselves and the sides hunting them from below.

Cavan Sullivan’s recent form
Sullivan has been at the center of one of the more compelling stories in MLS this season. The Union have put up back-to-back 5-0 wins, beating FC Cincinnati on September 9 and then San Diego on September 14, and their attacking output over the last five matches reads as one of the most consistent stretches of the year. Whether Sullivan is driving that production directly or facilitating it from midfield, the team’s rhythm runs through him.
Under interim head coach Ryan Richter, Philadelphia have found a clear structure. Four wins in the last five, with their only slip a 1-1 draw at Austin, tells the story of a side that has locked in tactically. Sullivan’s ability to press high and connect play between the lines fits that system neatly, and Richter has shown no hesitation leaning on the youngster as a key piece.
The tactical matchup
Sporting KC, coached by Raphaël Wicky, enter this match off a 3-1 home win over Los Angeles FC seven days ago, but their wider record tells a harder story: 5 wins, 3 draws, and 16 losses, with 59 goals conceded in 24 matches. That defensive output is the worst in the Western Conference, and it sets up a potentially favorable environment for a Union attack already in form.
Sullivan will operate in a midfield that has looked sharper than at any point earlier in the year. Kansas City’s central defensive structure has been repeatedly exposed across the season, and a player of Sullivan’s movement and passing range, who can shift between half-spaces and link up with wide runners, should find pockets of space. The Union’s last two opponents were put away comprehensively; there is no obvious reason to think Sporting KC’s backline will offer more resistance.
What’s at stake for him
Sullivan is one of the youngest players to have had genuine, consistent MLS minutes this season, and each performance adds to a portfolio that is being watched well beyond Philadelphia. The Union’s playoff positioning matters here: sitting 7th in the East at 33 points, they are in a qualifying spot but only a handful of points clear of the pack below them. A strong performance from Sullivan helps cement not just three points but his own standing as one of the competition’s most intriguing young players.
There are no inflated records to chase in the data available, but the context is real enough. Philadelphia have won four straight, Sullivan is part of the reason why, and a road match at a leaky Kansas City side is the kind of opportunity that separates players who produce only in comfortable surroundings from those who do it consistently across environments. For a teenager building a professional reputation, that difference matters.
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Our Prediction
Philadelphia Union have the tools to win this comfortably. Sporting Kansas City’s defensive numbers are the worst in the West, and the Union arrive with genuine momentum after two 5-0 results in five days. Cavan Sullivan should have room to operate in Kansas City’s midfield and influence the tempo from early on. Expect a Philadelphia win, with Sullivan among the more visible contributors on the night.
