By Aman Kidwai NEFJ Correspondent NEW HAVEN — A roar erupted from the home locker room at the Yale Bowl late Saturday afternoon. Then another. Then a few more. The Bulldogs (7-3, 5-2 Ivy) had just secured a share of the Ivy League crown, one year after winning it outright. “We enjoyed ourselves on the field, got a chance to celebrate,” Yale coach Tony Reno said, after entering the post-game……