Oregon looks to Tyler Shough to replace Justin Herbert

FILE - In this Sept. 7, 2019, file photo, Oregon quarterback Tyler Shough, left, throws a pass against Nevada during the third quarter of an NCAA college football game in Eugene, Ore. Expected to finish atop the Pac-12, the Ducks open at home with Stanford. The rivalry game against Oregon State will still be Thanksgiving weekend. (AP Photo/Chris Pietsch, File)

FILE - In this Dec. 6, 2019, file photo, Oregon head coach Mario Cristobal, right, gestures during the second half of the Pac-12 Conference championship NCAA college football game against Utah in Santa Clara, Calif. (AP Photo/Chris Pietsch, File)

FILE - In this Nov. 23, 2019, file photo, Oregon running back CJ Verdell, right, is tackled by Arizona State safety Cam Phillips (15) during the first half of an NCAA college football game in Tempe, Ariz. The Ducks will have to replace five starters on the offensive line. But Oregon returns significant skill position players, including running back CJ Verdell. (AP Photo/Matt York, File)