Speculated NY Mets-Astros trade probably would’ve been disastrous for both teams

In the world of Major League Baseball, just because a trade is fair doesn't mean it is mutually beneficial. That's what spring training has told us about the much-speculated swap of Sean Manaea for Christian Walker between the New York Mets and the Houston Astros.

We'll admit, we were sold on the idea, though it was admittedly a gamble. The thought process was that Manaea's 2025 issues were heavily influenced by injuries, while Walker's .799 post-All-Star break OPS fueled hope that a bounce-back was on the horizon. The salaries nearly matched up, with Walker counting for $20 million against the luxury tax versus $22 million for Manaea.

However, as spring training has unfolded, we've found that a swap would just be shifting problems around for both clubs, ultimately solving nothing. Manaea has made two spring starts with a 6.35 ERA over 5.2 innings, failing to consistently break 90 miles per hour on the radar gun in the process.

Walker is slashing a paltry .115/.207/.269 in the warm-up period, with that ghastly performance coming over 10 games and 29 plate appearances.

We now know that the proposed swap of Sean Manaea for Christian Walker between the Mets and the Astros would have hurt both clubs

If this hypothetical trade had happened, the Mets would still be looking for a first baseman, and the Astros would still be looking for a No. 2 starter behind Hunter Brown. Neither team would have won the trade, but it's fair to say that they both would have been losers.

The money being more or less a wash wouldn't have prevented either club from making the moves they ultimately made to rectify these issues. Instead, the impediment would have been the roster spot and resource allocation.

The Mets could have still afforded to pay Jorge Polanco, but giving him $40 million dollars over two years while paying $40 million dollars over two years for Walker would have been a nonsensical use of funds. Polanco's been ridiculously hot this spring, and while he won't be able to answer all of the questions facing him during this preseason period, he's making a good first impression.

Trading for Walker would have also knocked another spot where Brett Baty could get at-bats off the board. The 26-year-old finally showed signs of promise at the big league level last year and has been impressive this spring. Further blocking an ascending player for one that is on the decline is bad team building.

As for the Astros, they still could have afforded to sign Japanese phenom Tatsuya Imai, but they likely weren't going to commit up to $21 million (depending on incentives) on a gamble from the NPB while also placing a $22 million bet on Manaea.

Imai has looked dazzling this spring and hasn't allowed an earned run over his first six innings pitched. Even if the Astros did somehow hit their heads and decide to roll the dice on both Imai and Manaea, that would have limited opportunities for some of the intriguing, low-cost dart throws they've brought in.

KBO star Ryan Weiss has looked great in both starter and reliever roles, as has 27-year-old Kai-Wei Teng, whom they acquired in a trade with the San Francisco Giants. You can throw former Colorado Rockies Peter Lambert into this mix as well after he spent 2025 trying to reinvigorate his career in the NPB. Other contenders for rotation spots are youngsters Spencer Arrighetti and AJ Blubaugh. All of these guys combined will cost next to nothing in 2026.

That group (and a few more) in Houston also has the advantage of maneuverability. All of them, except Lambert, have options remaining and can be reconfigured as needed. At this point, Manaea would have just limited their flexibility.

So, at the end of the day, we can be happy that the Mets and Astros didn't listen to us. The case for a deal seemed clear, but for New York to have it be worthwhile, Walker would need to hit. You never want to overreact to small spring training samples, but given how both of these veterans struggled last year, the poor performance looks like a continuation of 2025 rather than its own, self-contained entity. Either way, bullet dodged.