I hear it being said wrong all the time.. V.I.N. is an acronym and to say "V.I.N. number" would mean you are saying Vehicle Identification Number Number it's redundant Just say V.I.N.
I guess they do say MLB baseball..I wonder why that is? VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.VIN.
vin is french for wine tin is american for turpentine. sin is christan for a weak mind. vin is wine for french dinner dine.
Vin Diesel's real name is Mark Vin, I'm pretty sure.... Just FYI..... I hear a lot of things like that. I try to just ignore it because... well... people are ignorant and I can't be held responsible for educating all of them.