Another reason it seems likely is that they lose so many SP to FA this offseason. Woodruff, Cortes, Civale, Quintana will all be FA. The most experienced SP on the roster this offseason after Freddy will be Tobias Myers. To even entertain trading Freddy you'd need Henderson and Misiorowski to look like sure thing SP and Gasser to look good as new post TJ. Even then you'd ideally want to keep Freddy to be the experienced head of the rotation.