Dellin Betances hit for first time in 12 years — and looked like it

PHILADELPHIA — Dellin Betances had his first at-bat since high school on Monday — and it showed. The right-hander came up with runners on second and third and one out in the eighth inning of the Yankees’ 4-2 win over the Phillies and struck out against Yacksel Rios. “That was the first time I picked…