Greg Weissert #57 of the Boston Red Sox high fives Kristian Campbell #28 after a game against the New York Yankees at Fenway Park on June 14, 2025 in Boston, Massachusetts. (Photo by Brian Fluharty/Getty Images) Getty Images By Sean McAdam | sean.mcadam@masslive.com BOSTON — When the Red Sox were putting their team together last offseason, filling important holes in the roster and spending as they hadn’t in years, at no point did they say: “With a little luck, maybe we can be a .500 team.” That’s where they finished last season, at a perfectly mediocre 81-81. Their winter and early spring additions were supposed to yield so much more. If we’re grading the 2025 season in terms of return on investment,