Borel is the only jockey to win the Derby three times in a four-year span, standing in the winner's circle in 2007 with Street Sense, 2009 with Mine That Bird and 2010 with Super Saver.
City manager Mark Hughes is now facing a striker crisis for Sunday's derby, with Craig Bellamy the only one of the club's senior strikers likely to be available.
After this weekend the gap now sits at 12 points with only twelve Premier League games remaining the derby match is beginning to take on the look of a coronation rather than a title decider.