Where there's smoke there's fire...the rumor is true. Bridgestone is leaving MotoGP, which leaves the door open for Michelin, Dunlop, Pirelli, ???
http://www.motogp.com/en/news/2014/Bridgestone+to+withdraw+from+MotoGP+after+the+2015+season
http://www.motogp.com/en/news/2014/Bridgestone+to+withdraw+from+MotoGP+after+the+2015+season