Ok. Rewind to February 2026, if your goal is to win the AL East you’re picking Kyle Harrison to pitch you there over Sonny Gray? (Despite poo pooing him with metrics, Gray lead the NL in K:BB ratio last season and his WHIP would have been right behind Peralta on the ‘25 Brewers) If you’re being honest, of course you’re not choosing Harrison. And you’re right, big market clubs like Boston aren’t really don’t care of Harrison is the better pitcher going forward, whereas it’s lifeblood in Milwaukee.
Back to the point, Boston is rolling with Sonny Gray, as you put it, because they know what they are likely going to get in the here and now with Gray more than they did with Harrison. The Red Sox are also paying Gray just $11M this season and a $10M buy out on a mutual option for ‘28, with the Cardinals paying the remaining $20M.
Harrison has been great for the Brewers. But that does t change the fact he was down in the pecking order in Boston for objective quantifiable reasons (they had multiple players who would help them win more now, and had young ascending players who they believed would help them more to win in the future), and that’s why they moved Harrison to solidify a different area on the roster.