"Oh, my God! Help!" Pam Baer is heard yelling on the five-second video, the Chronicle reported. Larry Baer walks away, yelling, "Stop, Pam, stop!" the newspaper reported.
The couple apologized after the incident.
The Giants' executive team has been asked to manage the club's day-to-day operations, KPIX reported.
Baer was part of the group that bought the Giants in 1992, keeping them in San Francisco despite efforts of a Tampa Bay ownership to buy and move the franchise, ESPN reported. The Giants the World Series in 2010, 2012 and 2014.