The fight is decided where the two styles overlap. Sosa beat Mackson Lee and Luan Lacerda the same way: he walked forward behind front kicks and right hands, closed to the fence, then used the clinch, takedowns and top pressure to make rounds his. Against Hussein that formula carries a tax. Most of Hussein's finishes start from head-and-arm control, and every time Sosa changes levels in open space or drives into the clinch with his head low and outside, he offers that grip. Sosa's entries have to stay upright: a body lock after a combination, head inside, hips tight.
Hussein's striking is the trigger for the grappling, not a separate game. He has five stoppages by strikes, including the first-round finish of Tyson Nam, and he dropped Gibson with a right hand after catching a body kick. His debut also showed the cost of that aggression: by his own account he over-threw the straight left early and Gibson shot under it, took him down and nearly finished a guillotine. The mirror image matters just as much. Sosa reached with his punches while pressing Lacerda and was met with knees, and a forward-leaning Sosa is the target for both Hussein's right hand and the snap-down.
On the mat, a takedown is not the same as holding position. If Sosa settles on top, his ground strikes and control can win rounds, as they did against Lee. But Hussein's best work comes in transitions: scrambles where he takes the back, or where the opponent's head drops on the way up. A Sosa who lands and settles quickly into heavy half guard or side control is safe; a Sosa who lets the exchange stay loose is in danger. The reverse position is the most likely finish in the fight. Hussein on top with an arm trapped across the face is exactly how the Gibson fight ended.
Pace and durability close the picture. Eleven of Hussein's fifteen finishes came in the first round, and after winning the last two rounds against Gibson he said his arms felt heavy. Sosa's last two fights both went fifteen minutes, with his best work coming late. He got up from a knockdown against Lacerda, has never been submitted, and his tighter striking defence is why his knockout share is the larger one. If the scores are level after ten minutes, the third round tilts toward Sosa on the cards. Hussein, though, finished a tired opponent in the third round in July.