Rosalie Mercurio DiMaggio, a Sicilian immigrant, bore nine children, three of whom became Major League center fielders.
Since the boys’ father, San Francisco fisherman Giuseppe, considered baseball a “a bum’s game,” Rosalie covered for the Vince, Dominic and Joe Jr. so they could practice with other local boys. Then and now, the Bay Area was a hotbed of baseball talent that included Barry Bonds, Bi…
