The Cubs did comment on Gesler's post, saying, "Sorry about that! :-)"
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Gesler said he was watching the Cubs batters from behind home plate and saw the trajectory of Schwarber's ball as it headed over the right-field screen, but he didn't expect it to hit his car.
It's not the first time a Cubs player has bashed a windshield. Javier Baez broke two car windows in 2014, but that was on a different field at the complex.
Carrie Muskat is a reporter for MLB.com. She writes a blog, Muskat Ramblings. You can follow her on Twitter @CarrieMuskat and listen to her podcast. This story was not subject to the approval of Major League Baseball or its clubs.