SOWER (f, 3, Flatter–Enth, by Seeking the Gold) shook off some early pace pressure and burst clear in the lane to stay undefeated in the Jersey Girl S. at Belmont. Romping by 7 1/4 lengths first out Apr. 28 at Laurel, the $120,000 OBS April repeated in more workmanlike fashion May 18 at Pimlico and