They struck out 9 times last night. Even just focusing on the 2nd half in which they've been a below average offense, they have the 9th best K rate in the league, 7th highest contact rate. Theyre making plenty of contact. The problem is theyre not pulling the ball in the air with authority as frequently. Thats really what it boils down to. The hitters are making a lot of mid contact up the middle and in the alleys. The gb% has gone up a mere 2 points. They've gone from the best in the league to 10th, which is notable but not disastrous.
The hard pulled airball contact has dropped off a cliff. Guys are not getting the barrel out as quickly as they were in the 1st half. In particular we went from being excellent vs sinkers and cutters in the 1st half to really struggling with them in the 2nd half, and all year we have not been good against 4 seams.
1st half/2nd half
Cutters - 17.6 (2nd)/ -7.5 (29th)
Sinkers - 11.6 (3rd)/ -9.6 (23rd)
4 seams - -6.5 (14th)/ -16.3 (26th)
It's puzzling how you go from smashing those 2 pitch types to being completely neutralized by them over a fortnight.