The Seattle Mariners are on the brink of a major move, as they're reportedly close to acquiring a star player in a complex three-team trade. Brace yourself, baseball fans, because this deal could shake up the league!
According to ESPN's Jeff Passan, the Mariners are in advanced talks to bring St. Louis Cardinals' All-Star second baseman Brendan Donovan to Seattle. This trade also involves the Tampa Bay Rays, making it a three-way transaction. The deal, which has been in the works for weeks, would provide the Mariners with a much-needed versatile hitter.
But here's where it gets interesting: the trade is not just about Donovan. Sources indicate that third baseman Ben Williamson will likely move from Seattle to Tampa Bay, and switch-pitching prospect Jurrangelo Cijntje is expected to join the Cardinals. This multi-player deal is a strategic move by the Mariners to strengthen their lineup.
Donovan, a 28-year-old utility player, is coming off a stellar season where he won the National League Gold Glove at the utility position as a rookie in 2022 and earned his first All-Star selection in 2025. He boasts a career-high batting average of .287, with 10 home runs and 32 doubles in 118 games last season. His ability to make contact and play multiple positions makes him a valuable asset.
The Mariners' interest in Donovan is no secret, as trade rumors have been swirling all winter. With Donovan agreeing to a $5.8 million contract for 2026, avoiding arbitration, the Mariners are poised to add a veteran presence to their lineup while maintaining control for two more years.
Mariners' president Jerry Dipoto hinted at this move during a recent appearance on The Hot Stove, stating that a new player was on the way. And now, it seems, that player is Donovan.
By acquiring Donovan, the Mariners gain a seasoned hitter who can cover multiple positions, allowing them to strategically rotate younger players without sacrificing experience. This move comes after the Mariners reached Game 7 of the American League Championship Series for the first time in 24 years, signaling their ambition to build on that success.
And this is the part most people miss: Donovan's versatility is a game-changer. He played 100 games at second base in 2025, but also filled in at left field and shortstop. His ability to seamlessly transition between positions adds depth and flexibility to the Mariners' roster.
This potential trade follows another significant offseason move by the Mariners, trading rookie catcher Harry Ford and pitcher Isaac Lyon to the Washington Nationals for left-handed reliever Jose Ferrer. The Mariners have also re-signed first baseman Josh Naylor and added outfielder Rob Refsnyder and catcher Andrew Knizner to their roster.
As for Cijntje, the 22-year-old prospect was the Mariners' first-round pick in the 2024 MLB Draft. He is a highly-rated switch-pitcher, though the Mariners plan to develop him as a right-hander in 2026. This trade could be a pivotal moment in his young career.
This breaking news story has baseball fans on the edge of their seats, eager to see how this trade unfolds. Will it be the missing piece for the Mariners' championship puzzle? Only time will tell.
Stay tuned for more updates on this developing story, and don't forget to follow the latest Mariners news and rumors. The 2026 season promises to be an exciting one for Seattle fans!