The New York Yankees signed veteran right-hander Adam Ottavino to a major league contract on Monday, days after designating the 39-year-old for assignment.The team added Ottavino to the 25-man roster and optioned LHP Brent Headrick to Triple-A Scranton/Wilkes-Barre.The Yankees DFA’d Ottavino to make room for RHP Devin Williams’ return from the paternity list. Ottavino declined a minor-league assignment, becoming a free agent, leading to Monday’s signing.Financial terms were not released. He’s expected to join the team in Detroit on Monday as the Yankees begin a three-game series against the Tigers.Ottavino has appeared in two games in relief for New York this season, striking out two in 1 1/3 innings.