One reason outfielders don't have stronger arms might be they don't practice as much as we did. Most teams today don't take outfield practice. Another reason is baseball has to compete with other sports now - basketball, football, soccer - for the better athletes that might have more skills and stro
This could be done in part, because the equipment was very inexpensive. Not much money was involved in tooling so that basic changes of that type could be accomplished.
I'm something of a history buff. It's deliberate that a lot of my films have been period pieces.

