It's been circulating since Thursday but yesterday Cal Cruthclow confirmed on Twitter that he'll be riding a Ducati next season. Pol Espagaro will take his place in the Tech 3 team while Cal take the spot vacated by Nicky Haden's departure at the end of the season.
http://www.bbc.co.uk/sport/0/motogp/23536326
http://www.bbc.co.uk/sport/0/motogp/23546501