SAN FRANCISCO — The timing of the Tony Vitello hire, made official just two days before the start of the World Series, could lead to a fascinating backdrop when the new Giants manager is introduced next week at Oracle Park. Major League Baseball prefers that teams avoid major news during the sport’s most important week, so the Giants cannot put a different shade of orange on the Tennessee manager until next Thursday, an off day between Game 5 and Game 6 of the World Series. If the Toronto Blue Jays can’t find a way to slow the Los Angeles Dodgers, there’s a chance that Vitello will be introduced right after his new rival clinches a second straight championship. Buster Posey has watched for a decade, first as a player and now as an executive, as the Dodgers have become the league’s best and most consistent team. He’s hoping that Vitello is the man to help the Giants break the stranglehold on the NL West, and in a press release on Wednesday, he dropped plenty of hints about why he feels that way. Posey called Vitello, 47, “one of the brightest, most innovative, and most respected coaches in college baseball,”...