Blue Sunday, an A.P. Jet colt, was among the standout performers Wednesday during the first session of the under tack show for the Ocala Breeders' Sales Co.'s April sale of 2-year-olds in training. He worked a quarter in :21 4/5 to post the fastest work for the distance. The colt is a half brother to stakes winner Infinite Justice and is out of stake-placed Manor Queen (by Wavering Monarch). His consignor is Nick de Meric, agent.Horses battled a stiff headwind the entire session. There were gusts of up to 20 miles per hour.A colt by Mazel Trick out of Lip Code (by Lost Code) posted the session's fastest eighth of a mile, stopping the timer in :10 2/5. The chestnut colt is consigned by Tony Bowling and Bobby Dodd, agents.A colt by Hesabull, consigned by Bowling and Dodd, worked the session's fastest three eighths of mile with a :34 4/5 clocking. The bay colt is out of June Taylor Dancer (by Darn That Alarm).The under tack show continues Thursday morning. Sessions also are scheduled for Friday and Saturday.