I don't remember reading any articles on this subject, but it sounds interesting. You would probably have to do the research yourself. You get lists of player contracts. You can then use Baseball-reference.com to look at the transactions of that player. It sounds like this research would take a lot of work.
"I do not think baseball of today is any better than it was 30 years ago... I still think Radbourne is the greatest of the pitchers." John Sullivan 1914-Old athletes never change.