J.A. Happ agrees to Yankees return — pact could max at 3 years, $51M

LAS VEGAS — J.A. Happ’s imminent return to the Yankees gives the club five starters for five spots. What it doesn’t do is halt the hunt for more. Happ agreed to a two-year deal with an option on Wednesday that will become official and announced after contract language is worked out. When done, Happ’s deal…