Vikings RB Dalvin Cook (shoulder) practices

Minnesota Vikings running back Dalvin Cook, nursing a shoulder injury, was a full participant at practice Thursday in London.

Cook lost a fumble after a 2-yard gain late in the third quarter of Sunday's win against Detroit and immediately went to the sideline medical tent, where he was ruled out for the rest of the game.

Alexander Mattison had seven carries for 28 yards and a touchdown as Cook's replacement, but all sig