Origin for all of those was Ruck; and I don't think these guys bother with things like fact checking before reporting each others rumours.
According to Ruck, Obano to Exeter; Priestland to retirement; Mercer to Montpellier; Dunn and Ewels to France; JJ, Watson and Cokonasiga all back to LIrish...
so pretty much every Bath player with international ambitions to leave the club; 3 to remove themselves from international contention; 3 to a club who can't afford them and 1 to a club who can't afford him within the salary cap (depending on departures, of course).
Of the lot, only Obano and Rhys make any form of actual sense - the rest seemed to be a case of flinging mud and hoping something sticks; given the context around the original story, the same may well go for the realistic rumours.