Kentucky-based first-crop stallions Jack Christopher (Munnings) and Highly Motivated (Into Mischief) were represented by their first winners Friday and Saturday, May 8 and 9, respectively, at Hipodromo de las Americas in Mexico City. Bred in Kentucky by Rhineshire Farm LLC and campaigned by Cuadra Los Agaves, the filly Rhythm of Crown drew outside in a field of six for the Friday opener and made virtually all the running to graduate by a widening 2 3/4 lengths as the 5.35-1 fourth betting choice (video). Juvenile colts were in the spotlight in...