Sonny Gray mulls retirement after career resurgence following Cardinals departure

When right-handed pitcher Sonny Gray signed with the St. Louis Cardinals prior to the 2024 season, he had a simple objective: win a championship before Father Time caught up with him. He may now be on the road to doing just that — albeit with the Boston Red Sox instead of the Cardinals. Gray is crafting a brilliant denouement to his excellent career, but during an interview with the Boston Globe, he said he would "be done in a heartbeat" if his family were to want him back home for good.

After two seasons with St. Louis that didn't live up to most fans' expectations, Gray has found a new level in Boston at age 36. He leads the major leagues with 17 wins and holds a minuscule 2.69 ERA. For much of the first half of the season, it appeared that Gray might be on the move once again, as the Red Sox were at the bottom of their division and had the second-worst record in the American League when Gray said he would be "open for a conversation" regarding waiving his no-trade clause if the Red Sox were to sell at the trade deadline.

But after Boston clawed its way back into contention and acquired catcher Adley Rutschman at the deadline in an attempt at a postseason berth, it appears that Gray could have a chance at his elusive first World Series ring after failing to achieve his dream with the Cardinals.

The Cardinals had patched their rotation together with veterans for 2024, and Gray was thrust into a pressure-packed role as the No. 1 starter on the team. As one of the many veteran faces on a team that then-President of Baseball Operations John Mozeliak tried to sneak into the playoffs every year, Gray may have taken it upon himself to drive the team's rotation to give the Cardinals one last shot at glory.

Although the Cardinals failed to make the postseason and they dealt Gray after the 2025 season, the trade may have worked out for both sides. Gray's aforementioned dominance is propelling Boston to a playoff position, and the Cardinals received promising pitching prospects Brandon Clarke and Richard Fitts. But it's fair to wonder why Gray couldn't perform at this level with the Cardinals.

Sonny Gray's late-career revival raises the question of what the Cardinals missed

Gray never appeared fully comfortable in St. Louis, as his time with the Cardinals marked two decent but unexceptional years flanked by a Cy Young runner-up finish with the Minnesota Twins in 2023 and a season in 2026 that will likely see him receive votes for that award once again. He may have faltered under the responsibility of anchoring a rotation in St. Louis, but there could be more to the story.

Gray's Cardinals years saw him put up a 4.07 ERA and a perfectly average ERA+ of 100. His worst games tended to be those where St. Louis' heat and humidity were at their most brutal, and Gray noted how the sweltering temperatures affected his grip on the ball.

The oppressive heat during St. Louis summers may explain some of Gray's issues with the Cardinals, but in more reasonable temperatures, Gray was often lights-out at Busch Stadium and struggled more on the road. In 2024, Gray had a 2.79 ERA in the confines of Busch Stadium and a 5.20 ERA on the road. In 2025, he had a 3.90 ERA at home and 4.92 on the road.

Gray's years with the Cardinals may have also been transitional ones for the pitcher, as he has had to adjust his repertoire with his pitches leaking velocity as he's aged. Perhaps while with St. Louis, he was still tinkering with his arsenal, and the Red Sox received the fruits of his labor. Alternatively, Boston could have helped him unlock something that the Cardinals coaches overlooked.

Regardless of why Gray experienced less success in St. Louis than he has in Boston, no one should blame Cardinals fans if they support their erstwhile pitcher as he looks to lead the Red Sox rotation to a championship before he calls it quits.

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