Thanks to the awesome invention known as Youtube, this incident is captured in the below video link. Fast forward to 1:24:30 of the attached. Mike Greenwell is at the plate and you can hear the crowd start to go nuts and the Gator staring toward the third base side. Just after 1:25:00, announcer Ned Martin becomes aware of the situation and he and color commentator Jerry Remy begin to remark on the situation. Ned Martin expresses his disgust as things unfold. You even get a brief shot of the guy on the screen making his way up to the press box at around 1:30. Benzinger's home run was on a 3-2 pitch. Both he and Jody Reed had great at-bats and hit tough 2-strike pitches.
https://www.youtube.com/watch?v=k0tWXX5514s