ARLINGTON — Hayley Fields batted 3-for-3 with four RBI to pace Arlington to a win over Mariner in a Wesco 4A softball game.At Arlington H.S.Mariner 000 00x x—0 x xArlington 741 10 x—13 x x Toni Monsiletto and Kateleen Setrick. Ronnie Ladines, Chandler Bishop (3) and Lynsey Amundson, Jennifer Kellogg (3). WP—Ladines. LP—Monsiletto. Records—Arlington 5-2 league, 10-2 overall. Mariner 0-7, 0-12.