Four hundred feet from home plate, deep inside Fenway Park’s triangular center field, with a tall fly ball in the air and the game maybe on the line, Jarren Duran raced back, back, back, tracking it the whole way.

Fenway Park concession and restaurant workers went on strike Friday just as the Boston Red Sox open a highly anticipated weekend series against the world champion Los Angeles Dodgers.The union representing Aramark workers at Fenway Park and MGM Music Hall hit the picket line at noon after failing to reach a deal on a new contract.

Emmet Sheehan goes five innings, the bullpen holds the Red Sox scoreless over the final four and Teoscar Hernandez hits a two-run homer as they kick off a nine-game road trip with a 5-2 win.