MANKATO -- We spent much of the day trying to find out why Percy Harvin was taken to the Vikings locker room this morning on a cart. He hadn't suffered any obvious injury and it became clear as the day wore on that the injury was nothing serious. But what was it?

We got the opportunity to go straight to the source after the Vikings' evening practice Saturday before a capacity crowd of about 7,000 at Blakeslee Stadium. Harvin said that he "tweaked" his ankle and that immediately swelling was an issue. However, once the Vikings athletic trainers got the swelling to go down, Harvin was able to participate in the second session.

"I'll continue to follow the program, the rehab, but I feel fine," Harvin said. "I'll be all right."

Coach Brad Childress said the type of injury Harvin suffered is just part of training camp. Childress also said that running back Adrian Peterson "tightened up a little bit" but he would be fine as well. Peterson did little to no work in 11-on-11 and 7-on-7 drills in today's two practices and I thought it might have been because the Vikings need to get a look at Toby Gerhart, Albert Young, Darius Reynaud, Ryan Moats, and Ian Johnson.

However, it sounds like the Vikings wanted to be careful with Peterson as well.

Here were some highlights from the night practice:

  • Sage Rosenfels had a rough practice, throwing four interceptions. Antoine Winfield intercepted Rosenfels twice and Husain Abdullah and Erin Henderson each had one. Abdullah had two INTs today.
  • Center John Sullivan, who had offseason ankle surgery, went down in the night practice after being kicked by another lineman. Sullivan limped off the field and did not return to practice. He downplayed his injury afterward. "I'm fine," he said. "I'll be out there [Sunday]."
  • The Vikings held their first night practice inside Blakeslee Stadium in front of an estimated crowd 7,000.
  • Things got a little physical during a 11-on-11 session when right guard Anthony Herrera knocked over linebacker Jasper Brinkley.
  • Former Gopher Logan Payne nearly had the catch of the night when he dived for a long pass from Joe Webb down the sideline. Payne had the ball for a split second but it came loose when he hit the ground.
  • Webb completed a 40-yard pass to Marko Mitchell along the sideline with Marcus Sherels in coverage.
  • Childress rode in a 1906 Buick that belongs to former Viking great Alan Page after the morning practice.
  • E.J. Henderson didn't practice in the second session. Childress said they are "spoonfeeding" Henderson as he makes his way back from a broken leg. "You always want to go back and see where he is tomorrow and tomorrow and tomorrow," Childress said.