Changes!
 

Ok, let's see if I get this right.

R5) #5 became a gelding

R6) #1 scratched, #3 scratched

R7) #7 jockey changed to Castellano
#13 scratched, #15 scratched

R8) #2 scratched

R9) #14 scratched, #15 scratched

R10) #3 scratched

R11) #9 is a gelding