Breaking down the 7 horses with the best chances of winning the Kentucky Derby

On Saturday, 20 horses will step into the gates at Churchill Downs for the 145th running of the Kentucky Derby.Omaha Beach entered as the early favorite to win but was forced to scratch from the race because of an injury.Below, we go post by post to break down the chance of each of the seven favorites of winning the roses now that Omaha Beach is out.Follow all our Kentucky Derby coverage here.Visit Business Insider's homepage for more stories.The 2019 Kentucky Derby field is set.On Saturday, 20 horses will step into the gates at Churchill Downs, with one winning the Run for the Roses and taking the first step toward Triple Crown immortality.After the official draw determined the post positions for the 20 horses in the field this year, the morning line was set, and bettors began considering where they'd put their money down before the starting gun on Saturday.Read more: Kentucky Derby 2019: A beginner's guide to betting the biggest horse race of the yearOn Wednesday, the early favorite, Omaha Beach, was forced to scratch because of an injury. The news came as a shock to racing fans ready to support him, and his absence makes this year's run at Churchill Downs as open a race as we've seen in years.Read more: The favorite to win the Kentucky Derby was forced to scratch due to injury, completely reshaping the biggest race of the yearWhile any horse could win on Saturday, seven horses stand out as having the best potential to take home the roses and possibly make a run at the Triple Crown.Below, we break down the seven favorites of the 2019 Kentucky Derby.