For a newly christened AD to push back on signing a contract negotiated by the departing Warde Maniel and UConn attorneys, likely supported and agreed by Susan Herbst, and potentially awaiting arrival of Benedict, imagine the latter pushing back at 23:59:59. On the basis of publicly reported facts, e.g., the linked Courant article, it's not a reach for reasonable individuals with or without any contract experience to appreciate the scenario you convey.
Courant Bob Diaco contract article:
Benedict's First Big Move At UConn: Extending Diaco's Contract Through 2020