A weekly look at what the Minnesota Vikings must fix:

It wound up a moot point, considering what the Vikings' two first-round picks (Teddy Bridgewater and Anthony Barr) did this past Sunday to turn a late-game collapse into a victory in Tampa Bay. But as the Vikings try to curtail one of the league's most proficient passing offenses in the Washington Redskins on Sunday, their young corners will have to be better about covering receivers without getting penalized.

Second-year man Xavier Rhodes and third-year cornerback Josh Robinson were flagged for a combined three penalties Sunday, including on back-to-back plays on Tampa Bay's touchdown drive in the fourth quarter. Rhodes put his hands on Mike Evans and carried him too far downfield, thereby earning a defensive holding penalty the Buccaneers declined after Evans caught a 23-yard pass. After Rhodes spent some time pleading his case to side judge Jeff Lamberth, Robinson was called for a 9-yard pass interference penalty when he got too physical with Evans and shoved him to the ground with his right hand while Evans tried to turn for a pass.

Rhodes' eight penalties tie him for third most in the league this season, and he in particular seems to be learning how to play the position without crossing a line. He'll face a group of Redskins receivers who average a league-leading 6.83 yards after the catch, according to ESPN Stats and Information, so it stands to reason Rhodes won't want to give them too many free releases Sunday. His penalties are products of aggressiveness, but he's still learning how to take away catches through his positioning -- and not completely through his physical handling of receivers.