Undefeated 'TDN Rising Star' Nysos (Nyquist) uncorked the type of "Wow!" performance in the GIII Robert Lewis S. on Saturday that rightfully should be the big story out of a weekend that featured four prep stakes for the GI Kentucky Derby. This 3-for-3 son of 2016 Derby winner Nyquist from trainer Bob Baffert's barn has now won at six, seven and eight furlongs by a combined 26 3/4 lengths while earning upward-trending Beyer Speed Figures of 96 and 97 (at age two), plus a sizzling 105 for his sophomore debut....