Lincoln Riley wasn’t happy with the end result last Saturday at Michigan, where his USC Trojans let a potential galvanizing victory over the defending national champions slip away in the final moments. The 27-24 gut punch of a loss dropped USC from the ranks of the unbeaten after 2 wins to open the season, and the defeat dropped the Trojans 2 spots in the latest AP Poll to No. 13. But after an extra-long plane ride home from Ann Arbor to Los Angeles, Riley found a silver lining in his team’s performance, including the run defense, which he said played...