More Previews Santos-Silva leads No. 25 VCU past St. Francis, 72-58 Blackshear gets double-double, No. 6 Florida beats UNF 74-59 Powell scores 27, leads No. 12 Seton Hall past Wagner 105-71 Beginning in September and running up through November 10th, the first day of the regular season, College Basketball Talk will be unveiling the 2017-2018 NBCSports.com college hoops preview package. Today, we are previewing the Pac-12. The Pac-12 won’t have nearly as much star power this season. Losing the No. 1 and No. 2 overall picks after one season would hurt any league but the Pac-12 is also hurting after only four teams made the 2017 NCAA tournament. While Arizona remains a national title contender and USC is a darkhorse candidate to do a lot of damage nationally, UCLA and Oregon are building on the fly with a lot of new pieces. Outside of the four NCAA tournament teams, the league still faces a lot of postseason uncertainty as unproven players and new head coaches are featured throughout the league. There might not be a superstar like Markelle Fultz or Lonzo Ball but there are still plenty of reasons to stay up late for Pac-12 hoops this season. FIVE THINGS YOU NEED TO…