Updated for final numbers.
Strikeout Era, ad nauseum...
At least until next year, the Astros' pitching staff now holds the record for most strikeouts in a season with 1,687. The top 15 team Ks in all MLB history are all from the past 3 seasons:
1. Astros, 2018........1,687
2. Yankees, 2018.....1,634
3. Indians, 2017........1,614
4. Astros, 2017..........1,593
5. Red Sox, 2017.......1,580
6. Yankees, 2017.......1,560
7. Dodgers, 2018.....1,559
8. Red Sox, 2018......1,558
9. Dodgers, 2017.......1,549
10. Indians, 2018.....1,544
11. Dodgers, 2016......1,510
12. D-Backs, 2017......1,482
13. Nats, 2016............1,476
14. Phillies, 2018......1,465
15. Nats, 2017............1,457
And with the exception of the Phillies, every single team on the list went to the playoffs.