LEADING OFF: All-Star arms, Nola’s debut, Who’s on first?

Texas Rangers' Prince Fielder jokes with Colorado Rockies catcher Nick Hundley as Fielder steps to the plate in the first inning of a baseball game Monday, July 20, 2015, in Denver. (AP Photo/David Zalubowski) Texas Rangers' Prince Fielder jokes with Colorado Rockies catcher Nick Hundley as Fielder steps to the plate in the first inning of a baseball game Monday, July 20, 2015, in Denver. (AP Photo/David Zalubowski)

By Associated Press July 21, 2015 3 min read

A look at what’s happening all around the major leagues today:

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ALL-STAR ARMS

National League All-Stars Gerrit Cole and Michael Wacha are both on the mound in interleague games. Cole (13-3) pitches for Pittsburgh against Kansas City lefty Jason Vargas (5-2), set to come off the disabled list. Wacha (10-3) starts for St. Louis against Chicago White Sox rookie Carlos Rodon (3-2).

FUTURE IS NOW