MINNEAPOLIS — Tom Izzo believes teams win championships with guard play. It’s not his original thought, of course, as many have prescribed to that theory over the years, and often it plays out at both the conference level and at the Final Four. And while Michigan State clearly has some questions in the frontcourt this season, there doesn’t seem to be much argument about where the strength lies for the Spartans. “We’ve got the best backcourt in the Big Ten,” junior point guard A.J. Hoggard said. There’s no debate in his mind, and it doesn’t matter who is playing which position. Last season, he …