(AP Photo/Tony Avelar, File)As college football leaders work to rescue a football season worth billions in revenue from the threat of COVID-19, the players have become emboldened. A group of Pac-12 players Sunday presented a list of demands on issues ranging from healthy and safety to racial justice to economic rights. The players claim more than 400 of their Pac-12 peers have been communicating through a group chat app about a possible boycott. I think its all attainable, said attorney Tim Nevius, a former NCAA investigator who has now represents college players in cases involving NCAA issues. These recent events have put a spotlight on critical issues in college sports.___Follow Ralph D. Russo at https://twitter.com/ralphDrussoAP and listen at http://www.westwoodonepodcasts.com/pods/ap-top-25-college-football-podcast/___More AP college football: https://apnews.com/Collegefootball and https://twitter.com/AP_Top25