They were present at the stadium to promote the Invictus Games Foundation.
Earlier this month, the Duchess attended Trooping the Colour - the Queen's official birthday celebrations - in London with Harry, and other members of the royal family. The Yankees clubhouse even shared a video where the Royal couple was presented with the meaningful baseball present by the team in the locker room, where Meghan Markle gushed about the present.
Rafael Devers doubled and Michael Chavis crushed a game-tying three-run homer for the Red Sox in the first inning.
The Yankees' starting pitcher will be left-hander Stephen Tarpley, who will be used as an opener in what will be an all-bullpen game.
It was a rare public appearance for the Duchess since the birth of the couple's first child, Archie Mountbatten-Windsor, on May 6.
NZ needs win to make World Cup semis, Australia not resting
That win moved Pakistan to within a point of England's increasingly precarious fourth position. "Cricket is not a game of chance". Perhaps Sri Lanka could cause an upset? England's final game is against New Zealand in Durham next Wednesday.
Meanwhile, the Boston team gifted the parents a mini red baseball bat and personalized onesie.
Despite just having a baby, Meghan Markle is not letting anything get in her way or royal duties. Marked the second nine-inning game in the Majors in the last 11 seasons (since 2009) in which both teams collected at least 18H, also Arizona at Colorado on 9/22/13.
Prince Harry and Meghan Markle are honoring all of the men and women who have served their countries.
The game is reportedly sold out with an estimated 60,000 spectators in attendance.
Major League Baseball arrived in Europe on Saturday night with Ye Olde Slugfest.
Prince Harry and his wife Meghan, the Duchess of Sussex, attended the game and met with both teams.