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The Marines will likely post Sasaki between December 1-15, giving MLB teams a chance to negotiate with him. Waiting until the end of the window maximizes the number of teams that can make offers.
Sasaki's representatives will likely share medical information with teams upfront, rather than having them bid blindly. This allows him to weigh the best overall fit, not just the highest offer.
Factors in Sasaki's Decision
Money does not appear to be the primary motivator for Sasaki. He is passing up potentially over $100 million to come to MLB at age 23 rather than waiting a couple more seasons.
Sasaki seems focused on becoming the best player he can be, similar to Shohei Ohtani's approach. The team that can best develop him and help him reach his ceiling will likely be the winner.