This implies what I used to call a barstool analysis of baseball. The ongoing was "bring up the minor leaguers. They can't do no worse."
Big league ballplayers are NOT LAZY. They work harder on their off day than most people do in a week of hard labor. If you think "lesser" players will perform better because they allegedly try harder, seriously ... the oldest and slowest big leaguer you ever heard of will leave you in the dust halfway around the outfield.
The small things are what got these men to the top .0002 percent of all professional athletes.
Just don't.