Expect weekend road closures this weekend due to 2 major events.  Between the St. Jude Memphis Marathon and the American Athletic Conference Championship football game at the Liberty Bowl, city officials say there could be 100,000 drivers on the streets. Some of the roads that will be impacted are B.B. King near FedEx Forum, Beale Alley, Union and Monroe. Downtown-area traffic is expected to be back to normal by 4pm Saturday afternoon following the marathon.