Analysis: Three Kentucky Derby long shots worth a bet to win

It hasn't been easy to make a big score with win bets on the Kentucky Derby. The average return on the last six Derby winners has averaged $8.90 on a $2 wager, a fraction of the average return ($36.03) over the six previous years. To see boxcar returns like that in this year's Run for the Roses, one of the favorites would have to underwhelm on Saturday.That's not too far fetched. Omaha Beach, the morning-line favorite, was scratched on Wednesday. Roadster hasn't shown enough speed either at the