Fantasy Football: 4 Unexpectedly Great Week 1 Performances

Alex Smith was shockingly good in Kansas City's upset win over New England. Which other big-time performers didn't find their way into too many starting lineups?

It's swell to have a sleeper on your fantasy football roster, but if he's not in your starting lineup, he's not doing you any good -- especially if he racks up two touchdowns and a flock of fantasy points. Then you're just bummed.

Here are four players who turned in huge fantasy performances in Week 1 but were started in less than 40 percent of fantasy leagues.