Like $15 million, then yes he could be fired after the season. Let him go after 5/1 it drops to $6 million.
Details -
https://mutigers.com/documents/2017/12/4//contract_martin.pdf?id=12223
Making the tourney pushed the schedule back one year. Had they missed the tourney in Y1 then the reduced buyout schedule would have kicked in starting May 2020