The Houston Astros entered the offseason knowing their pitching staff would look different in 2026.
When Framber Valdez signed with the Detroit Tigers, it officially ended his long run at the front of Houston’s rotation. While the move itself wasn’t entirely shocking, the destination raised some eyebrows as Detroit suddenly gained one of the most formidable one-two punches in baseball.
For the Astros, the challenge became clear: replace one of their most reliable arms.
General manager Dana Brown quickly worked to reshape the rotation. Houston brought in Tatsuya Imai to slot in behind rising ace Hunter Brown, while also acquiring Mike Burrows from the Pittsburgh Pirates in a three-team trade to strengthen the pitching depth.
But even with those additions, Houston still needs someone else to step forward.
And that’s where Lance McCullers Jr. enters the picture.
McCullers Jr. emerges as Houston’s potential X-factor
Lance McCullers Jr. | William Liang-Imagn Images
Bleacher Report recently identified one potential X-factor player for every MLB team heading into the 2026 season. For the Astros, the spotlight landed on McCullers Jr., a veteran whose career has been repeatedly interrupted by injuries.
The 31-year-old right-hander has struggled to regain consistency since signing a five-year, $85 million contract extension.
After missing the entire 2023 and 2024 seasons, McCullers returned in 2025 but logged only 55.1 innings with a 6.51 ERA. He made 12 starts before eventually moving to the bullpen during the final stretch of the season.
Despite those struggles, Houston may need him more than ever.
The Astros rotation has already experienced significant turnover. With Valdez gone and several other pitchers dealing with injuries, McCullers could become a critical piece of manager Joe Espada’s pitching plans.
A rotation searching for stability
Houston’s rotation picture remains unsettled heading into Opening Day.
In addition to Valdez’s departure, the Astros could be without several other arms. Pitchers Ronel Blanco, Hayden Wesneski, and Brandon Walter are all dealing with injuries that may sideline them for much of the season.
That leaves Houston searching for reliable innings behind Brown and Imai.
If McCullers can rediscover even a portion of his previous form, it would dramatically stabilize the staff.
Remembering McCullers at his best
Before injuries began derailing his career, McCullers was one of the Astros’ most dependable starters.
His best season came in 2021, when he posted a 13–5 record with a 3.16 ERA across 28 starts. That year he logged 162.1 innings, struck out 185 hitters, and delivered a 3.5 WAR performance while anchoring the rotation during Houston’s postseason run.
Expecting him to fully return to that level may be unrealistic.
But Houston doesn’t necessarily need peak McCullers. What the Astros need most is availability and stability — a veteran capable of delivering quality starts and keeping the bullpen from being overworked.
A pivotal season ahead
McCullers now enters the final year of his contract, making the 2026 campaign especially important for both player and team.
For the Astros, his performance could play a major role in determining whether they remain competitive in the American League West.
Houston missed the postseason last year after a late-season collapse allowed the Seattle Mariners to capture the division title. Early projections for 2026 have also been cautious about the Astros’ chances.
However, baseball seasons often hinge on unexpected performances.
If McCullers can stay healthy and provide meaningful innings, he could become the stabilizing force Houston desperately needs — and the X-factor that pushes the Astros back into the playoff race.
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