Baseball has a litany of axioms that are firmly anchored in the methodology of the sport such as “The best trades are the ones that help both teams.” Trading a player is a delicate manner since it has an essential base in that the player is no longer wanted or needed. A rejection of a suitor mentality. Pack your bags and leave.
The crux of the trade has changed since the advent of free agency and its evil financial twin arbitration – at least from the view of a team’s accounting department. Consummating transactions have eventually had leaks that would render a Congressional committee as secret as the Illuminati.