This is somewhat of a watershed year for freshman sires, with six first-crop sires within the top 10 on the list of leading sires of 2-year-olds in North America through Monday. Spendthrift stalwart Into Mischief leads the group (as he has for five of the last seven years), but the same farm's freshman Bolt d'Oro (Medaglia d'Oro) is second, Hill 'n' Dale's Good Magic (Curlin) is third, Coolmore America's Justify (Scat Daddy) is fourth, Hill 'n' Dale's Army Mule (Friesan Fire) is fifth, Three Chimneys's Sharp Azteca (Freud) is seventh,...