HOUSTON — As someone who recently became a father for the first time himself, Austin Wells probably would have understood if Ryan Weathers was not at his sharpest Saturday night, three days after the birth of his son . “I had a couple months before I had to go back to playing baseball,” said Wells, who became a dad during the offseason. “I mean, he might still be blacked out from that event.” Whatever Weathers was after a whirlwind week, he delivered what the Yankees needed. The left-hander, who raced home from Boston on Wednesday morning to arrive just in time for the birth of Paul David Weathers and then flew to Houston on Friday, threw 5 ¹/₃ innings of two-run ball against the Astros on the way to an 8-3 win . “It’s definitely been crazy, but it’s been great,” said Weathers, who struck out four and walked none. “Son is doing great; mom is doing great.…