I'm usually not one to bash a manager over one specific move, since I don't have access to all the info he has/had. I'm just talking in generalities.
I think we have left some SP'ers in a few too many batters, after they seem to have clearly "lost it." I get the fact that there are plenty of anecdotal instances where a pitcher regained his composure and went on to eat some innings and help keep us in game, where he struggled early, but this team can score a lot of runs, and has shown it can comeback and win games 10-9. I'm thinking we should have yanked a starter a little earlier a couple or maybe three or four times, this year, and it's not just hindsight thinking, on my part. I felt it at the time, too. (I'm not pretending to know more than Cora. I still think he is a fine manager.)
Game 1: understandable. Kluber looked okay until the 4th: BB, HR, lineout, liner 2B, liner 1B, BB and then yanked. (Kelly let two of Kluber's 5 runs score.)
Game 4: I have issues. Crawford was in trouble every inning, but it took 2 HRs in the 4th to yank him- even then, he waited for him to get 2 more outs. (4IP 8 hits & 2 BB and 7 runs)
Game 11: No issues, despite Whitlock going 5 IP with 8 hits & 0BB (5 ERs). He did not look all that badly until 2 outs in the 5th with those back-to-back solo blasts.
Game 12: Questionable. After Sale let up 3 in the first, he sort of looked okay. A couple line drive hits in the 4th and a bunt single might have been enough to yank him before Franco's deep 2B, but I can live with that choice.
Game 13: hard to have issues, when many felt they yanked Kluber, too early, and Bleier allowed a mess of IR's to score.
Game 15: is an example of not yanking a guy too early. Pivetta let up 4 in the first, but then settled down, nicely, until the 4th, where Cora did yank him after 3 straight hits. (Ort let one of Pivetta's 6 runs score.)
Game 17: Close call. Bello did not last long, but it was clear he did not have it from the second batter on. 2.2 IP 8 hits, 1 BB, 5 ERs
Game 19: Another Kluber stinker. (5 IP, 6hits, 2 BBs and 7 ERs) He did not allow any ERs in his last 2 IP, so it's hard to say he should have been yanked early, but 7 ERs in 3 IP?
Game 24: I'd have yanked sale, earlier. (5 IP, 9 hits, 1 BB 5 Ers and NO K's) There could have been more runs, but a timely DP helped.
I like Cora. I'm not really complaining, but I'd have done a couple things differently. Maybe we would have done worse had we followed my suggestions.