By Ryan Martin NEFJ Correspondent MALDEN - In a Mother’s Day double-header, the Northwest Knights rolled through the MetroWest Maulers 24-7 before the Boston Junkyard Dogs beat the Southwest Cobras 17-7 during The League play. The 2-1 Knights and 3-0 Junkyard Dogs now sit atop of The League, New England’s premier spring ball league for local high schoolers, while the Maulers (1-2) and Cobras (0-3) each fell. Leading off the...