Several contenders at the top of this week's rankings solidified their status, but one new shooter debuted at No. 4 to add some intrigue as we edge past the 90-day mark to the GI Kentucky Derby. 1) ARABIAN KNIGHT (c, Uncle Mo--Borealis Night, by Astrology) 'TDN Rising Star'. O-Zedan Racing Stables, Inc.; B-Corser Thoroughbreds LLC (KY); T-Bob Baffert. Sales history: $250,000 Ylg '21 KEESEP; $2,300,000 2yo '22 OBSAPR. Lifetime Record: 2-2-0-0, $544.275 Last start: 1st GIII Southwest S. at Oaklawn Park, Jan. 28. KY Derby Points: 0. Arabian Knight's thorough...