Unbeaten Curlin likely favorite in full field

2007/05/02 16:19:00 @Sports News : CBS SportsLine.com

Curlin will have to overcome 19 rivals and a lot of history if he is to win the Kentucky Derby. The unbeaten colt was installed as the slight 7-2 favorite Wednesday after drawing the No. 2 post position. Affirmed won from that post and went on to sweep the Triple Crown in 1978 -- the last horse to do so.
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