The Oakland Athletics fired manager Bob Geren on Thursday in the midst of a nine-game losing streak that has sent them tumbling to the bottom of the AL West standings. Former Arizona manager Bob Melvin will take over for the rest of the season as interim manager in the first midseason managerial change for the organization in a quarter century. Read more: http://sports.espn.go.com/mlb/news/story?id=6644571
