Start guessing which major-league uniform Josh Donaldson will wear next. Chances are, it won’t belong to the Blue Jays.



Donaldson’s trade value is a fraction of what it once was, but the Jays have no motivation to keep him. Teams must complete deals by Friday to ensure their acquisitions are eligible for the postseason. Now that Donaldson is playing again, some contender figures to gamble on his upside at a discounted price.



Donaldson has not appeared in a major-league game since May 28 due to a left-calf injury. But he went 1-for-2 with a walk and RBI Tuesday night in his first game on a rehabilitation assignment for the Jays’ Class A affiliate in Dunedin, Fl., playing five innings at third base. The Jays will place him on revocable trade waivers Wednesday. The process will be complete before Friday’s deadline. And with that, the Donaldson Era in Toronto most likely will come to an unceremonious end.



If Donaldson is claimed, the Jays...