Underdogs again. On the heels of an encouraging effort that netted the Atlanta Falcons their first win of the season, the bookmakers in Vegas simply aren’t convinced. Heading home to face the Cleveland Browns (2-1), Atlanta once again finds itself the underdog, getting 2.5 points in Sunday’s upcoming game, per DraftKings Sportsbook. It will be the Falcons’ first tilt at home since Week 1 where they blew a winnable game against an increasingly beatable New Orleans Saints team — a fact that likely factored into the opening line. The Cleveland Browns also find themselves as somewhat of an anomaly, picking…