Through the 4 o’clock races, Derby Bill Watson has taken a significant lead with $25.20 in the bank in the Grade 1 Racing Biz Invitational Handicapping Challenge.

Bill’s winners include Havelock in the Woodford and My One and Only in Monmouth’s sixth race. ┬áHe also benefited from a scratch in Keeneland’s fourth, inheriting the post-time favorite, Ire, who won.

Michael Horvath and Frank Vespe were in second, with $10.60 each.