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True, but this is for "most (not all)" MLB caliber guys. Vargas, Olson, Fister, etc. Guys like this that are hanging in betweeen AAA and MLB are more likely to run high HR/FB until they up their games.
The difference betweeen French's 1.5 K/BB and Fister's 2.4 K/BB is also a lot less than you'd think. Fister has a 64.9 Strike %, French's is 63%. French's BB rate has been a bit unlucky.