Josh Rosen
2018 saw some of the worst first-round draft picks in history and some of the best. Rosen ranks up there with the worst after the Cardinals made him the 10th selection of the first round. He broke records during his UCLA career and this made him a hot prospect. Arizona thought that they pulled off a coup when they drafted the California native (via AZCentral).

They traded up to select Rosen because many analysts thought he was the best pure passer in a draft packed with quarterback prospects. Almost every news outlet and agreed about this but they were very wrong. Rosen threw 12 touchdowns and 19 interceptions during his Cardinals career. Then he soon found himself on the backup carousel as he quickly became a massive bust.