Red Sox rookie Marcelo Mayer crushed his first home run at Fenway Park in the 2nd inning and followed it up with a second blast in the 4th. Don't forget to subscribe! youtube.com/mlb Follow us elsewhere too: Twitter: twitter.com/MLB Instagram: instagram.com/mlb Facebook: facebook.com/mlb TikTok: tiktok.com/@mlb Check out MLB.com daily to watch the MLB.TV Free Game of the Day! mlb.com/freegame Visit our site for all baseball news, stats and scores! mlb.com