Vikings' first-round pick Christian Darrisaw could practice Wednesday

Vikings offensive tackle Christian Darrisaw watches practice during training camps.The Vikings could get a longer look at first-round pick Christian Darrisaw this week, though it will still take some time before they determine whether they're ready to hand over the starting left tackle job to him.

Coach Mike Zimmer said Darrisaw — who had his second groin surgery of the year on Aug. 12 — will likely get some work in individual drills on Wednesday, when the Vikings begin preparations for Sunday's regular-season opener against the Bengals in Cincinnati. But Darrisaw has barely been on the field since the Vikings selected him 23rd overall in April — "I think he's practiced four times since he's…