Here’s When Opening Day Is For The Boston Red Sox In 2021 Getty Images Thursday, April 1st at 2:10pm This is not an April Fool's Joke! This is not a drill! This is really happening! And 4,500 lucky Red Sox fans will be there to watch the 'Olde Town Team' take on their division rival Baltimore Orioles. Talking Red Sox with our Boston Sports Insider Tom Caron seems even that much more exhilarating with Spring Training in full gear and Fenway baseball just weeks away. Once again, 'Boston's Most Beloved Sports Personality' did not disappoint with this analysis of what the Sox outfield will look like now that Jackie Bradley Jr officially signed with Milwaukee.