7th-AQU, Alw (N1X)/OC ($100k), $82k, 3yo, 1m, 4:22 p.m. ET The official feature of Sunday's program at the Big A is the Memories of Silver Stakes one race hence, but this one-mile contest is liable to produce multiple runners for age-restricted stakes over the coming weeks and months. CORNUCOPIAN (Into Mischief) blew the doors off a field of Oaklawn maidens on debut Feb. 23, earning no-brainer 'TDN Rising Star' status, but found himself in a suicidal pace battle in the Mar. 29 GI Arkansas Derby and the $1.1-million KEESEP yearling...