ATLANTA — The Seattle Seahawks didn’t have much to laugh about during the three-game losing streak that followed their 3-0 start, but after getting back above .500 with a convincing win over the Atlanta Falcons on Sunday, Geno Smith cracked a joke about Kenneth Walker III and his under-the-weather performance.
How sick was Seattle’s running back?
“Yeah, he was sick today, man,” the quarterback said. “Two touchdowns on his birthday, that was sick.”…