MLB.com's Ian Browne tweeted the news, adding that Sandoval admitted to "liking" photos of a woman on Instagram during the game:
Sandoval benched tonight for violating social media policy during game last night.— Ian Browne (@IanMBrowne) June 18, 2015
Sandoval "liked" a picture of female on Instagram during game. He admitted he did it and accountable for punishment of not playing today.— Ian Browne (@IanMBrowne) June 18, 2015
Apparently the third baseman was in the bathroom at the time, per ESPN.com's Gordon Edes:
Sandoval benched, admits that was him liking photos of woman on Instagram during game Said he was using bathroom at the time— Gordon Edes (@GordonEdes) June 18, 2015
Not sure that cop-out helped his case, though.