After Melvin’s ejection, SF Giants rally to beat Cubs with Estrada’s big blast

CHICAGO — The batting cages at Wrigley Field are down one set of stairs, around a corner and past another, longer staircase. To reach the manager’s office requires a climb up another set of stairs, 49 steps, and a march through the cramped clubhouse quarters.

The former is where Bob Melvin spoke his team’s late-inning theatrics into existence hours before first pitch Monday, and the latter where he was forced to observe after being ejected from the game in the eighth inning, just before...