Here's a link that shows the NFL WR corp for each team, ranking them from worst to first. It's from May, but still gets my point across. There will be some good WRs cut. Happens every year. Maybe not "name" guys, but guys that can play. Buffalo is at 32.
https://bleacherreport.com/articles/2777814-ranking-every-nfl-receiving-corps-heading-into-the-2018-season