I find this both cool and weird. Jimmy Rollins taking grounders with a 20 pound vest on:
— Dan McQuade (@dhm) February 18, 2014
I don’t know that I’ve ever heard of anyone doing that. Or if I did, I forgot about it. I don’t know if it actually works, but I want it to work because it is strangely satisfying to me to think that such a thing would work.