Brent Yarina, Senior Editor, May 8, 2015

The Ohio State bats were on fire Thursday, and no bat was hotter than Erika Leonard's.

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Leonard hit a pair of grand slams and drove in an Ohio State record 10 runs to fuel the Buckeyes to a 24-1 victory over Indiana in the first round of the 2015 Big Ten Softball Tournament.

The junior catcher finished the game 4-for-4, one of five Buckeyes with at least three hits, walked once and scored three runs.

Ohio State erupted for 12 runs in the first inning on its way to scoring a single-game record 24 runs, which topped its previous mark (20) set just two weeks ago at Northwestern.

Following the big day, Leonard is batting .411 with 14 home runs and 59 RBI.

[ MORE: View our 2015 Big Ten Softball Tournament homepage ]

Here is Leonard's second grand slam:

Leonard talks about her record-setting day:

And relive all of Ohio State's 12 first-inning runs: