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"It hasn&amp;rsquo;t happened since 1978 but clearly oddsmakers are impressed by Orb&amp;rsquo;s Kentucky Derby victory, shortening the odds on him winning the Triple Crown.Several online racebooks posted Triple Crown futures after the Derby and both had him as a small underdog to pull off the remaining two races.5Dimes had the &amp;lsquo;no position as a -390 line, with the &amp;lsquo;yes&amp;rsquo; at +270. It was similar at Bovada where the &amp;lsquo;yes&amp;rsquo; bet was +250 and the &amp;lsquo;no&amp;rsquo; was -400.ADVERTISEMENT: Pocket $110 in bonuses when you sign up and bet the Preakness Stakes at US Racebook.The next step in the journey, which hasn&amp;rsquo;t been successfully completed since Affirmed in 1978, is the Preakness Stakes on May 18. Orb will go, along with Derby challengers Oxbow, Will Take Charge, Goldencents are confirmed.Normandy Invasion and Vyjack are being considered, according to horse racing reports at Turfnsport.com.Even without a confirmed field, 5Dimes has posted lines on Orb to win at +115. You can bet the &amp;lsquo;field&amp;rsquo; &amp;ndash; any other horse &amp;ndash; at just -155, a tempting price for horse bettors.A year ago, I&amp;rsquo;ll Have Another won the first two legs of the Triple Crown, before being scratched on the eve of the Belmont Stakes.Many casual horse fans ask why it&amp;rsquo;s so hard for a horse to win all three. The answer is three-fold.First, the quality of competition is top-notch. All trainers and owners want a piece of tyeh action and send their best horses.Second, the Belmont is a much-longer race (1.5 miles) than the other two. A horse bred for speed to cover the 1 &amp;frac14; miles of the Kentucky Derby rarely combines the stamina to hold up that pace over the longer distance.Third, these three races all happen within a five-week period. Its a gruelling stretch that requires good luck, no injuries and so many other variables.Since 1978, 12 horses have won the Kentucky Derby and Preakness but failed in the Belmont Stakes. It started in 1979 when Spectacular bid finished third in New York.Big Brown, Smarty Jones, War Emblem, Real Quiet and Alysheba are among the stellar horses who got two out of three jewels in the crown.Watch for tons of Triple Crown props and Preakness bets at Bovada this week."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.oddsshark.com/horse-racing/orb-triple-crown-odds-not-much-profit>