Watch: Trea Turner Slides Through Second Base, Tagged Out on Bizzare Play

Nationals shortstop Trea Turner was tagged out on what should have been a free pass on Tuesday night.

During the first inning of Washington's game against the Cardinals, Turner stood on first base when Bryce Harper was facing a 3-2 count against St. Louis right-hander John Grant. As Grant delivered his full-count offering, Turner took off, attempting to steal second base.

But Grant's pitch had missed inside, allowing Harper to take first on a walk. Turner could have advanced to second for free, but he slid into second. The problem: He slid too far, and Cardinals shortstop Paul DeJong held his tag on Turner as Turner's foot came off the base.

Originally, Turner was ruled safe, but St. Louis…