The Royals bullpen got a lottery ticket added to it this week. Kansas City is acquiring right-hander Nate Pearson from the Astros in exchange for Class A pitching prospect Max Martin, according to Jon Heyman, with Ken Rosenthal confirming Martin as the return.
Jon Heyman broke the trade details first.
Nate Pearson goes to Royals from Astros for pitching prospect Max Martin
It's a low-cost, high-variance move at the deadline. Houston had already designated Pearson for assignment over the weekend, so Kansas City is essentially getting him for spare parts rather than paying a real prospect price. Martin, a 10th-round pick from last year's draft, is a bullpen-only arm with modest name recognition — the kind of piece teams move without much hesitation when a former blue-chip talent is on the other side of the ledger.
Ken Rosenthal confirmed Martin as the return piece heading to Houston.
Source confirms: Class A RHP Max Martin is return, as @anne__rogers said.
Pearson's name still carries weight even if his results haven't matched the hype in years. Baseball America and MLB.com both ranked him among the sport's top 10 overall prospects back in the 2019-20 offseason, when he was a triple-digit flamethrower in Toronto's system. Command issues and a string of injuries derailed that trajectory, and the Blue Jays eventually moved on before the 2024 deadline. He bounced through waivers, got released, and landed in Houston on a one-year, $1.35 million deal last October.
This season with the Astros wasn't disastrous — 16 appearances, a 3.60 ERA, just one homer allowed in 20 innings — but a below-average strikeout rate and a walk rate north of 14% kept him fighting for a bullpen spot. That combination got him DFA'd, and now it's Kansas City's turn to see if there's still a late-inning arm in there.
The trade first hit the wire as a straightforward bullpen swap between Kansas City and Houston.
For the Royals, this is exactly the kind of move contenders make in the final week before the deadline — cheap upside for a bullpen that could use another arm capable of missing bats if the command ever clicks. Worst case, it's org depth. Best case, Kansas City found a reliever with a mid-90s fastball for the cost of a Class A arm nobody outside the Astros' system had heard of.