With the MLB trade deadline just over a week away, the clock is ticking for front offices across MLB to make trades that will define their seasons. The White Sox figure to be at the center of the action over the next eight days as a buyer rather than a seller for the first time in several years.
Being a buyer means Chris Getz will spend more time making calls than taking them, evaluating the needs of his roster and potential trade possibilities around the league. With the strengths and weaknesses of many teams set in stone at this point, the Seattle Mariners have emerged as a logical trade partner for the White Sox involving a potential swap of a right-handed hitting outfielder for veteran starting pitcher Luis Castillo.
White Sox Obvious Weakness
The White Sox weaknesses are clear and have been for quite some time. Catcher is a clear area for improvement following Kyle Teel’s ankle injury, but there is no bigger need for the team than starting pitching.
Trade rumors have connected the White Sox to several veteran starting pitchers in recent weeks, ranging from rentals to controllable arms. Clay Holmes, Brady Singer, Michael Wacha, and Reid Detmers are some of the names linked to the club as they search for starting rotation upgrades ahead of the deadline. There are no shortage of potential targets for the team to evaluate.
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At the same time, the White Sox suddenly have a glut of right-handed hitting outfielders and not enough spots on the MLB roster to carry them all. Austin Hays and Everson Pereira have dealt with injury issues all season and are now on rehab assignments in Triple-A for their respective calf and concussion recoveries. Both hit home runs today and seem to be nearing returns to the big league roster.
Outfield Logjam
The problem for the White Sox is that there aren’t spots for both of them given the current iteration of the roster. Junior Perez was just optioned to Triple-A this evening and will create one opening, but that would still leave one of Hays or Pereira without a spot. Who they should prioritize is a matter of opinion, as both have their pros and cons. Hays is the far more experienced player, while Pereira is significantly younger and has more upside. In any case, the logjam is reaching a boiling point and the team will have to make a decision soon. Whoever loses out on the roster spot could become an interesting trade candidate.
Mariners Interesting Roster Dilemma
The Mariners also have a logjam in a completely different area of the roster. Their starting rotation is loaded and recent reports say that they are willing to trade right-hander Emerson Hancock. While it’s possible that Hancock could be the odd man out, veteran right-hander Luis Castillo has also been discussed in trade scenarios. Seattle would likely prefer to trade Castillo if possible but have had trouble finding a suitor for him.
For as loaded as the Mariners’ rotation is, the same can’t be said about their offense. They are 4% worse than league average offensively as a team per OPS+ and have received little contributions from their right-handed hitters outside of Julio Rodríguez and Randy Arozarena. Someone like Hays or Pereira would help balance their lineup and provide more production from the right side.
As far as Castillo goes, he is having a down year by his standards. His 4.85 ERA over 94.2 innings would be the highest of his ten-year MLB career. He is also allowing more baserunners in any season since 2021 and is owed $24.125 million in 2027 and has a $25 million vesting option for 2028 based on innings pitched in 2027. Considering his underwhelming season to this point and hefty salary next year, he likely won’t fetch much of a prospect haul should Seattle trade him.
Why It Makes Sense
This scenario creates an interesting opportunity for the White Sox. Absorbing his contract would allow them to address the rotation without parting with any of their top prospects, while Seattle would get out of his contract. Even with his down year to this point, the 33-year-old is a proven innings eater and has a career 2.25 ERA in 28 postseason innings, offering a veteran presence for a largely inexperienced White Sox starting rotation. He is also still in the 73rd percentile in whiff % and a 3.89 ERA in seven games since the start of June, an indication that he can still miss bats and has something left in the tank.
Bob Nightengale of USA Today reported this morning that the White Sox “badly want starting pitching” but will not trade any of their top 10 prospects, instead preferring to add contracts to their payroll. If this is indeed true, a trade involving Hays or Pereira for Castillo makes sense for both sides. Each team would clear its respective roster logjams and improve in areas of need.
Trade Idea To Watch
The White Sox are operating in unfamiliar territory these days. They are in the driver’s seat in the division for the first time in years and are in a prime position to buy. Luis Castillo isn’t the most flashy name on the market, nor is he the pitcher he once was in his prime. Still, he would undoubtedly be an upgrade in the White Sox rotation and offer a much-needed experienced pitcher in a buy-low trade down the stretch, while the Mariners would help balance their lineup.
