First, thanks for the game reports from enemy territory. Neat, especially the comment on whether Beni should have caught that sinking liner.
Second, I mostly agree that relievers should stay in for a second inning if they are effective in the first. Why? Because their stuff is working and they have confidence. Last night I was fine with Johnson only getting 3 outs (but in 2 innings) and bringing in Smith. I would have brought him out for the 8th and said so.
However, I refuse to let Barnes off the hook. He had a clean inning to work with and the bottom third of the Yankees lineup, and he got only one out. Unsat. I would have left Carson Smith in, but Barnes should not have been a bad call by Cora. If he can't get 2 outs against the bottom 3d of the order, what's the point of having him on the roster? Remember, Johnson got three outs: a grounder by Gardner, a fly out by Judge, and a line out by Gregorius. Then Smith got a ground out by Stanton, gave up a single to Sanchez, and struck Hicks out.