Upon entering a Major League Baseball stadium, there are postings and warnings everywhere alerting those who enter that a baseball may come flying out of the field of play at any time and cause irrecoverable damage.

One MLB.com reporter learned that the hard way on Tuesday night, losing a dear friend in the process.

San Francisco Giants third baseman Pablo Sandoval hit an innocuous looking foul ball into the press box on Tuesday, leaving one victim in its wake.

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[Courtesy: MLB.com]

Mark Sheldon walked away from the incident perfectly fine, but his laptop appears to have suffered a season-ending screen injury.