Red Sox slugger David Ortiz embraced daughter Alex after she sang the national anthem (left) at the team’s home opener Monday at Fenway Park. Ortiz, who will retire after the season, threw out a ceremonial first pitch along with sports legends Bill Russell, Bobby Orr, and Ty Law. The pregame glow faded as the undefeated Orioles overtook the Sox on a ninth-inning homer and triumphed, 9-7. D1.