Which part of this is least likely: 12 year-old’s broken arm heals to let him throw 100 mph, Cubs in playoffs or Gary Busey as a role model?

Poster:
Trailer:

Which part of this is least likely: 12 year-old’s broken arm heals to let him throw 100 mph, Cubs in playoffs or Gary Busey as a role model?

Poster:
Trailer: