6th-Gulfstream, $72,000, Alw (NW1X)/Opt. Clm ($75,000), 3-28, 3yo, 1m, 1:36.75, ft, 9 lengths. KNIGHTSBRIDGE (c, 3, Nyquist--Tyburn Brook, by Bernardini), a jaw-dropping debut winner going seven furlongs at Churchill Downs Nov. 4, returned to the races in style at Gulfstream Park Thursday afternoon. The 1-9 favorite, drawn widest of all in post five, broke alertly and held a narrow advantage through an opening quarter in :23.40. Facing continued pressure through a half mile in :45.40, the 'TDN Rising Star' began to shake free turning for home and dropped the hammer...