Yes, you can save scum there, but let's be honest: It will take a lot of time to restart blood bowl hundreds of time until you get the perfect result and it is just the AI. It would probably be more efficient (SPP-wise) to play 20 games vs the AI.
I know that. But would make for an interesting Reddit post. Just show a picture of the post game stats: "Look how shitty the RNG is in BB2. I made 11 blocks and got 11 CAS. This game is broken!"