View Post Agencies | Brands | Campaigns | Digital | Sports DigitasLBi, Clay Matthews Present ‘Draft Day 101’ for GMC By Erik Oster on May. 12, 2014 - 5:04 PM Green Bay Packers linebacker Clay Matthews stars in a new series of ads for GMC created by DigitasLBi. The campaign, entitled “Draft Day 101” sees Matthews giving tips to players in the 2014 NFL Draft, which ran from T ...