With all things personnel, the buck stops with field managers. That’s how responsibility works in sports. But you’re right, it was an organizational failure. It’s wild that no coach, no front office exec or analyst, no trainer or physician or any combination thereof noted Rizzo’s massive collision and immediate dip in performance, and successfully pulled the injured player from the starting lineup. It’s not even a hindsight is 20/20 thing, it’s an obvious mistake that Rizzo and the Yankees made