What Yankees’ Plan B may be now that Dallas Keuchel’s off the board

TORONTO — Max Scherzer. Justin Verlander. Gerrit Cole. Patrick Corbin. And now Dallas Keuchel. That quintet shares a bond beyond the obvious of being highly accomplished starting pitchers. All five have switched teams in the past five years, and none has gone to the Yankees due to Hal Steinbrenner and Brian Cashman standing their ground…