Egads. A man fell to his death yesterday at Monster Park after falling 20 feet from the upper concourse area of the stadium to the concrete mezzanine below. Scary. And sad. According to the Chronicle, the 31-year-old sports fan "went to the concession area between sections 5 and 7 to hang out during halftime about 2:20 p.m. and fell over a wall to the floor below." After two other accidents that happened in the......