Donaldson has played a bit of 1st and part of the reason I like that angle is that I can see him needing more off days at this point in his career and if he is taking some time at 3rd Urias can get a few more, and the rest of his ABs come from splitting time with Rowdy at first. On the roster management side I'd imagine Shaw is gone then and either Cain or JBJ is part of off setting the salary. The positional flexibility leans into a team strength, about the only missing portion would be if one of those IFers splitting time could double as the 5th OFer.