Pat McAfee rode in on the Harley with The Duck mascot, Oregon coach Dan Lanning professed his “forever” loyalty to the program and Ducks legend Marcus Mariota made his picks. Those were a few of the highlights Saturday morning as ESPN “College GameDay” descended on Eugene for the second time this season and 14th time overall. The college football pregame show broadcast from the University of Oregon’s Memorial Quad ahead of the 12:30 p.m. matchup (on CBS) between the No. 7 Oregon Ducks and the No