He is also thought to bedispleased with Mr Santos's choice of Juan Camilo Restrepo, a critic of many of his own policies, as agriculture minister, and with his successor's plans to undo his merging of several ministries.
And while nobody has gone so far as to openly celebrate an early elimination, it probably would be safe to assume that some managers aren't too displeased at the prospect of more rest and less travel in the stretch to the end of the season, when their club's future status (and their own future employment) will be determined.