Big Ten commissioner Kevin Warren said his conference’s plan to limit fall sports to league-only competition could be optimistic as the nation struggles to stop the spread of the coronavirus.”One thing we have to realize that this is not a fait accompli that we’re gonna have sports in the fall,” Warren told the Big Ten Network. “We may not have sports in the fall. We may not have a college football season in the Big Ten.”On Thursday, the Big Ten became the first Power Five conference to move to a conference-only schedule this fall, but reports emerged later in the afternoon that the Atlantic Coast and Pac-12 conferences likely would follow suit.The Big Ten weighed input from campus chancellors and presidents, athletic directors, conference staff and medical experts in making the decision. Medical officials consulted include the Big Ten Task Force for Emerging Infectious Diseases and the Big Ten Sports Medicine Committee.”This is a complicated time, complicated world that we’re living in with the COVID-19 pandemic, and so what we’re doing is relying on the expert advice of our medical advisers,” Warren said. “We have our Big Ten emerging infectious disease committee, and also all of our other Big Ten doctors and trainers.