It hasn't been set in stone yet that Carlos Rodón will make his return to the New York Yankees this weekend against the Milwaukee Brewers. Sunday could be the day, but manager Aaron Boone said it isn't official. If it becomes official, the Yankees are getting closer to needing to make an uncomfortable decision on whether they'll have to oust either Will Warren or Ryan Weathers from the starting rotation . Rodón would be taking the spot held by Elmer Rodríguez and Luis Gil, but complications arise once Gerrit Cole returns. According to Boone, Cole needs three or four rehab starts . That's about a month away, and a lot can happen between now and then. Somebody could get hurt, making the decision much easier for them, or, if they're healthy, there's an opportunity to get creative as well. It's not a conventional idea, but a six-man rotation is one the Yankees can toy with. At least temporarily, they can. By Boone's estimation, Cole has a shot at returning to the big leagues by late May or early June.…