ATLANTA — ATLANTA (AP) — Big plays from Bijan Robinson and Drake London and mistake-free leadership from Michael Penix Jr. made the Atlanta Falcons look like a playoff contender.A lack of big offense and more miscues from Josh Allen provided more reason to question the Buffalo Bills.Robinson matched a career high with 170 rushing yards and gave Atlanta an early two-touchdown lead with the NFL’s longest run of the season, and the Falcons denied Allen’s comeback attempt to beat the Bills 24-14 on Monday night.Robinson’s career-long 81-yard touchdown run in the second quarter put Atlanta (3-2) ahead 21-7.“We’ve been waiting for that moment,” Falcons coach Raheem Morris said.Robinson got his 170 yards on 19 carries. He added six catches for 68 yards for a career-best 238 yards from scrimmage. Morris said Robinson “is the best player in football; I’ve said it multiple times.”For Robinson’s big game to come against Allen, last season’s MVP, was meaningful because he paid the same compliment to the Bills quarterback.“I think he’s the best football player in the NFL,” Robinson said. “Shout out to our defense. They made him uncomfortable the whole day.”London had 10 catches for 158 yards and a touchdown. Penix threw for 250 yards, including a 9-yard TD to London, while completing 20 of 32 passes without an interception.All …