The day after he receives an ensign’s gold stripe to become the only big-leaguer to earn a Navy commission serving World War I, the Red Sox trade Ernie Shore, along with Dutch Leonard and outfielder Duffy Lewis to the Yankees for Frank Gilhooley, Slim Love, Ray Caldwell, Roxy Walters and $15,000. The once promising right-hander, who missed the entire season last year due to military service, will retire after two seasons with Bronx Bombers, compiling a meager 7-10 record.