I'm higher on Sale than you because I think he was tipping his pitches or whatever in Baltimore. I think he's back and probably our ace. Then it's just a bunch of decent but not terrific starters--in order, Houck, Pivetta, Bello, Kluber, and Paxton. Including Sale, that's 6 starters.
I would start Crawford over a couple of those guys--and certainly over Whitlock--but the real point is that Winckowski, Crawford, and now Whitlock can give Cora some long relief options, depending on game situations. That's exactly when he did with Schreiber when he sent him back out to pitch the 9th last night after that disastrous 8th inning in which Kike tried to sabotage the game.
Or put it this way. The bullpen is the strength of this pitching staff. However, to win consistently, the rotation must avoid what Kluber and Sale were doing earlier in the season. What Kluber did last night, especially against the Jays, was just right. That game was won until Kike decided to help the Jays back into it. I see absolutely no need to bring Whitlock back to the rotation.