Mark Bronnik is absolutely lighting up MLS Next Pro, and all signs point to him joining the Seattle Sounders’ first team in the very near future, whether that’s in a few weeks or a couple months. This kid has been on a winding path, criss-crossing the country, but he found his groove here in the Pacific Northwest with Tacoma Defiance, and his first season has been nothing short of explosive. The club has always been great at promoting players from the second team, building one of the best development pipelines in Major League Soccer. But for attacking players? Man, that jump to the first team has been tough. Bronnik and the Sounders are hoping he’s the one to finally buck that trend.
This Kid Is Seriously Producing
There’s real reason to believe Bronnik can do it. Our own writers here at Seattle On Tap ranked him as the third top prospect coming through Seattle’s development system, and when you look at the stats, it’s not hard to see why. He’s leading Defiance in Goals Added and Expected Goals, consistently sitting near the very top of American Soccer Analysis’ league leader boards for those stats. We’re talking one of the best raw production seasons in Defiance history here. He’s a machine out there.
The Big Leap: Learning From De Rosario’s Journey
Of course, the big question is whether his performance can translate to the first team level. It’s a huge step up. We’ve seen Osaze De Rosario and Yu Tsukanome take this same path, both having excellent 2025 seasons that earned them MLS contracts. De Rosario, who played primarily as a striker for Defiance, only got into 12 MLS Next Pro games last season as his stellar play helped force him into a contributing role with the first team. He even scored the championship-winning goal in the Leagues Cup final last year, one of his five first team goals. The dude was dominant for Defiance, with 919 minutes in those 12 games, scoring 10 goals at a ridiculous 0.94 goals per 96 minutes. He was averaging 0.74 xG per 96 and 0.07 xA per 96, hitting 0.81 xG+xA every 96 minutes. That blend of physicality, frame, and game-reading ability made him a force. But this season? He’s shown flashes in a Sounders jersey but has openly struggled to have the same impact or finishing touch, despite contributing in other areas. He recently went on loan to a Danish club. That’s the challenge Bronnik faces.
So, as we watch Mark Bronnik continue to dominate MLS Next Pro, the excitement for his inevitable call-up to the Emerald City is real. Can he be the attacking player who finally breaks through and makes a consistent impact with the Sounders? This is what we’re looking forward to.
This article was created with AI assistance and published under Seattle On Tap’s editorial standards. See our Editorial Policy.
Originally reported by Sounder at Heart.
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