After one of the most exciting NFL offseasons in recent memory, it’s time. Time for 272 regular-season games, RedZone countdowns, controversial penalties and, of course, second-guessing. A whole lot of it. The best advice for picking Week 1 games is, well, not to pick too many. There’s so much uncertainty it’s best to just find one or two games you like. One thing to keep an eye on: underdogs…