The Age of Specialization Takes Yet Another Step:
 

CUBS: Named Mark Loretta bench coach and Bob Tewksbury coordinator, mental skills.

Tewksbury started as a mental skills coach with the Sox as far back as 2004: https://bobtewksbury.com/about/#bio

I’d guess these types of coaches are all over sports and have been for a while now.


Sent from my iPhone using Tapatalk