Former Chicago Cubs First Baseman Has Retired

For a stretch of the 2023 season, Trey Mancini was a member of the Chicago Cubs, a veteran signed to add power and presence to a clubhouse that was still finding its footing after a rebuild.

That chapter was short and uneven, but it is part of the reason Saturday’s news lands with extra weight on the North Side.

Mancini officially retired after signing a one-day contract with the Baltimore Orioles, the franchise that drafted him and the place where he will be honored before a home game against the Milwaukee Brewers.

Cubs fans remember the hope that came with his arrival more than the box scores that followed.

Fresh off a World Series ring with the Houston Astros in 2022, Mancini signed in Chicago as a first baseman, outfielder, and designated hitter who could still impact a lineup.

Wrigley Field, with its close alleys and afternoon shadows, looked like a park that might restore the pull-side power he had shown in Baltimore. Instead, the bat never fully woke up.

In 79 games, he hit .234 with four home runs and 28 RBIs, and by the trade deadline the Cubs designated him for assignment as they reshaped the roster. The numbers were modest. The story around them was not.

That story is what made Mancini more than a one-year rental. Drafted by the Orioles in the eighth round in 2013, he became a fixture in Baltimore, posting career highs of 35 home runs and 97 RBIs in 2019.

Then came the diagnosis of Stage 3 colon cancer and a lost 2020 season. When he returned in 2021, he was named American League Comeback Player of the Year.

By the time he reached Chicago, teammates and fans already knew the outline: a player who had beaten something far harder than a slump.

His major league line now closes at a .263 average, 129 home runs, and 404 RBIs across 836 games with the Orioles, Astros, Cubs, and, briefly this year, the Los Angeles Angels.

He did not appear in the majors in 2024 or 2025 and played only five games for Anaheim before being designated for assignment in June. At 34, he chose to end it where it began.

For Cubs supporters, the retirement is less about what he produced in pinstripes than about what he represented while he wore them. Chicago has long celebrated players whose careers outrun a single stat line.

Mancini spent only one summer on the North Side, but he arrived as a World Series champion and a cancer survivor, and he left as part of a season that pushed the Cubs back toward contention.

Saturday’s ceremony belongs to Baltimore. The brief Wrigley chapter still belongs to anyone who watched him try to make that next swing count.