Arenado and Blackmon were voted into the starting lineup by fans. Neither has started an All-Star game before.
We've got your guide to all those ballot measures and how to make decisions about less prominent races like judges, regents and RTD board.
The American League will get home-field advantage in the World Series after its 4-2 win over the National League.
This year's game will feature a healthy helping of the Chicago Cubs.