Why have the Yankees kept all their coaches?

Matt Blake was perhaps the Yankees’ highest-profile free agent this year. Consistently considered one of the best pitching coaches in baseball, his tenure since 2020 has seen the development of a star in Cam Schlittler, solid major-league starters like Will Warren and Clarke Schmidt, and perennially delivered a nails bullpen that is markedly cheaper than some of the big-money, volatile closers the club has featured since Mariano Rivera retired.

Blake is great and all reports are that he’s coming back on a new deal to continue his work on Aaron Boone’s staff. Boone himself will manage through the final year of his deal; indeed, as of now, the entire coaching staff* will be in the dugout for…