Marquez Valdes-Scantling might be WR3 today if Randal Cobb doesn't play. He's been exclusively special teams the first three games but is listed also has been listed as WR. Should be interesting to see him on the field with Rodgers.
https://www.forbes.com/sites/robreischel/2018/09/29/packers-bills-5-things-to-watch/#740546f26c4b