NSF vs NCAA
2006 National Science Foundation budget request for physics and mathematics ~ $430 million for the year.
The NCAA 64(+1) team tournament in men's college basketball is one small part of the college basketball season, which in turn is a small part of both the total basketball market in the US, and a small part of the total college sport market in the US.
Physics and Astronomy also get substantial funding from NASA and DoE (and some other relatively minor contributors); but the order of magnitude comparison remains valid. Hm...