MOUNT VERNON -- Arlington's Tristan Jager homered and had three RBI to help the Eagles to a Wesco 4A North victory. Alex Ibarra went 2-for-3 with two RBI for Mount Vernon.At Mount Vernon H.S.Arlington 000 150 0--6 12 2Mount Vernon 000 002 0--2 5 2Walker and Schempp. A. Ibarra, Nunez (6) and Wohlman, Allison (6). WP--Walker. LP--A. Ibarra. 2B--R. Ibarra (MV), A. Ibarra. HR--Jager (A). Records--Arlington 3-1 league, 4-2 overall. Mount Vernon 1-5, 1-6.