After the most mathematically upset-heavy NCAA men's basketball tournament opening weekend ever, the Sweet 16 is set. Brackets have been busted left and right, including ours (though the majority of the Final Fours in our original expert brackets aren't doing too bad). Gonzaga, our staff's most popular original title-winner pick, remains strong, heading the list of SI's men's Sweet 16 power rankings.
Meanwhile, new names like Loyola Chicago and Oregon State are popping up in the Final Four discussion after big upsets. After such a chaotic start to the tournament, will it end in a champion no one saw coming?