Stefon Diggs (groin) doubtful for Vikings vs. Texans

EDEN PRAIRIE, Minn. -- The Minnesota Vikings will be without both of their opening-day tackles when they face the Houston Texans on Sunday, and there's a good chance they'll be missing their top receiver, too.

The Vikings ruled out right tackle Andre Smith for Sunday's game against Houston with a triceps injury, and listed wide receiver Stefon Diggs as doubtful with the groin injury that has bothered him the last two weeks. Jeremiah Sirles will start in Smith's place at tackle. Coach Mike Zimmer didn't want to discuss what the Vikings would do if Diggs were out on Sunday, but if the team moved Adam Thielen into the flanker role, it could open up more opportunities for Jarius Wright, who's been inactive for three of the Vikings' four games this season.

Asked if Diggs would play, and then if Thielen would see more time if Diggs couldn't go, Zimmer said, "I don't know -- we'll see" to both questions.

The Vikings also ruled out tight end David Morgan and listed tight end Rhett Ellison as doubtful with knee injuries. Defensive tackle Sharrif Floyd will miss the game following the right knee surgery he had last month.