The Chicago Cubs have reportedly acquired three-time All-Star pitcher Luis Castillo from the Seattle Mariners in a blockbuster trade, sending shockwaves through Major League Baseball. Castillo, who signed a five-year, $108 million extension with the Mariners in 2022, brings a wealth of experience and a proven track record to the Cubs’ rotation.
In exchange for Castillo, the Mariners receive a package that includes second baseman Nico Hoerner, outfielder Kevin Alcántara—ranked as the Cubs’ No. 6 prospect—and right-handed pitcher Jack Neely, the Cubs’ No. 17 prospect. Additionally, the Cubs are reportedly sending $25 million to Seattle, covering approximately 33% of Castillo’s remaining contract.

Castillo, 31, has been a mainstay in the Mariners’ rotation, earning All-Star honors three times and maintaining a sub-4.00 ERA in multiple seasons. His acquisition bolsters the Cubs’ pitching staff, complementing Shota Imanaga and Justin Steele, and positions the team as a formidable contender in the National League Central.
The Mariners, in need of offensive reinforcements, aim to address their infield concerns with the addition of Hoerner, who has been a consistent performer for the Cubs. Alcántara and Neely provide Seattle with promising talent for future development. aling a shift towards a more aggressive approach in roster building. With Castillo now in the fold, the Cubs’ rotation has the potential to rival the best in the league