Arizona Cardinals cornerback Starling Thomas V suffered a torn ACL in practice and is out for the season. He started 15 games last year.

The Arizona Cardinals lost a key member of their defensive backfield before the first preseason game. Cornerback Starling Thomas suffered a torn ACL during Friday's practice, according to ESPN's Adam Schefter.

The Arizona Cardinals couldn't make it out of the first week of training camp without a season-ending injury. Cornerback Star Thomas V, who left Friday's practice after landing awkwardly while trying to defend a pass, suffered a tore ACL, per ESPN's Adam Schefter, and will miss the entire season.