Cubs manager Rick Renteria challenged the call, which was overturned after a review of two minutes and 55 seconds.
Miami went on to tie the game later in the inning.
In the 10th, it was the Marlins' turn to get a ruling overturned. Again, Randazzo was the umpire.
With two outs in the inning, Casey McGehee lifted a fly to right field. Nate Schierholtz made a terrific running play, extending and trapping the ball. Initially, Randazzo felt the right fielder made the play.
Miami manager Mike Redmond challenged, and the play was overturned after a review of one minute, 35 seconds.
Cash Kruth is a reporter for MLB.com. Follow him on Twitter at @cashkruth. Joe Frisaro is a reporter for MLB.com. He writes a blog, called The Fish Pond. Follow him on Twitter @JoeFrisaro. This story was not subject to the approval of Major League Baseball or its clubs.