Vikings sign all draft picks, except Laquon Treadwell

As the Vikings launch into their rookie minicamp, all rookie draft picks have signed contracts, except one. The one who hasn’t been signed was the first one they picked. Receiver Laquon Treadwell does not yet have a contract; the teams other seven selections do. Under contract are second-round cornerback Mackensie Alexander, fourth-round guard Willie Beavers,…