I thought you were meaning start a franchise on MLB 14. then just starting year 1 on MLB 15. thats why I thought Tanaka for example would always be a rookie.
I am almost 100% certain the year to year thing is only for Fracnhise files. I really hope I am wrong. because I am sure if I am the OSFM rosters wouldn't take a month work this time would just export about 85% of the work in MLB 15 default rosters.
No Doubt A -Rod will have to be a CAP as he didn't play a game last year