I don't think there's any question that right now the MLB All-Star Game is, by leaps and bounds, the best of the 4 major sports.
People poke fun at the Winner Gets Homefield Advantage in the World Series rule, but it has absolutely worked.
2015 Obligatory Attendance/Record Tracker
LAST GAME: April 10 - Twins 6, Sox 0
NEXT GAME: April 20 vs. Cleveland