To Watch Tonight

What to watch on your first night off from campaigning since January ... • Boxing: Light heavyweights, Yusef Mack vs. Daniel Judah, at New York (10:30 p.m., ET). Same-day tape ... do not reveal the ending! [ ESPN2] • MLB: Tampa Bay at Boston (7 p.m., ET). A battle for the very soul of the East Division. [ ESPN]; Chicago Cubs at San Diego (10 p.m., ET) [ WGN] • NHL: Stanley Cup Finals, Game 6, Detroit at Pittsburgh. (8 p.m., ET). Penguins fans assemble! [NBC]