In this segment of The Motley Fool's financials-focused show, Where the Money Is, senior banking analyst Matt Koppenheffer reveals what he learned about investing from playing fantasy football. His pigskin-inspired rundown includes the reason you won't often find a serious bargain on Berkshire Hathaway (BRK.A -0.76%) (BRK.B -0.69%) stock, but can currently find a serious deal on AIG's (AIG -0.13%).