To Watch Tonight

What to watch after your a capella group practice ... 8 p.m. — NFL Preseason: Eagles at Steelers. To prepare for the telecast, Tiki Barber was handed index cards by his producers, filled with mean things to say about Donovan McNabb. [NBC] 8 p.m. — MLB: Dodgers at Mets. Come see David Wells pitch for the Dodgers, and in case it rains, they can tarp off the infield with his jersey. [ESPN] 9 p.m. — Basketball: United States vs. Brazil. ♫ FIBA, Las Vegas ♫ FIBA, Las Vegas ♫ FIBA, FIBA, Las Vegaaaaaaaaas ♫ [ESPN2]