Philadelphia Phillies left-hander Jesús Luzardo was placed on the 15-day injured list Tuesday with left shoulder inflammation, retroactive to September 12. The move leaves the rotation scrambling as the team chases a top postseason seed just weeks before the October playoffs begin.
Shoulder Inflammation Sidelines the National League’s Standout Southpaw
The Philadelphia Phillies suffered a significant rotation blow ahead of the postseason when Jesús Luzardo was placed on the 15-day injured list with left shoulder inflammation. The roster move, backdated to September 12, arrives just three days after the All-Star left-hander was scratched from a scheduled start in Atlanta due to shoulder stiffness.
Luzardo had an MRI that revealed no structural damage, and the initial plan called for two days of rest before a throwing session in Washington. However, the inflammation lingered, and Luzardo informed the coaching staff he could not comfortably throw.
“I told them I don’t feel comfortable throwing. I know where we’re at. I know it’s an important part of the season. I want to be out there for the guys. But I feel like I’d be doing a disservice to them if I’m not at my best.”
Jesús Luzardo, Philadelphia Phillies pitcher, via The Athletic
Interim manager Don Mattingly acknowledged the gravity of the absence while emphasizing the priority of the player’s long-term health.
Unfortunate Timing Amid a Tight National League Wild Card Race
The timing creates an immediate crunch for a Philadelphia club holding the second National League Wild Card spot. Entering Tuesday play, the Phillies sat a half-game behind the Chicago Cubs for the top Wild Card position, which comes with a home-field advantage in the best-of-three opening round. They held a 3.5-game cushion over the Arizona Diamondbacks, keeping their postseason probability exceptionally high at 95.6 percent according to FanGraphs and 98.4 percent in the PECOTA standings at Baseball Prospectus, as Mlbtraderumors.

Luzardo has anchored the rotation with elite production. Across 29 starts this season, he holds a 14-5 record with a 2.87 ERA, 221 strikeouts, and 52 walks in 178 2/3 innings.
Postseason Timeline and Recovery Outlook
By backdating the 15-day injured list stint to September 12, Luzardo becomes eligible to return on September 27, the final day of the regular season, when the Phillies host the Tampa Bay Rays. Whether he makes an appearance in Game 162 or waits until the opening round of the playoffs depends entirely on how quickly the inflammation subsides.

Expressing confidence in his preparation, the left-hander voiced optimism about returning to the mound when it matters most.
“I say guaranteed, like, in my mind I can say I will. I can’t say a hundred percent: ‘Oh, yeah, I’m going to start for this team.’ But that’s the goal, and I feel confident that I can make that happen.”
Jesús Luzardo, Philadelphia Phillies pitcher
Rotation Adjustments and Depth Options for Mattingly
To fill the active roster spot, the Phillies recalled left-hander Kyle Backhus from Triple-A Lehigh Valley. More pressing is how the club covers Luzardo’s vacant spot in the starting rotation over the final 12 games of the regular season.
Mattingly indicated the team will implement bullpen games, starting as soon as Friday in New York.
What Lies Ahead for the Phillies’ Rotation
If Luzardo successfully navigates his recovery and returns for October, the Phillies preserve a formidable top-three postseason trio alongside Zack Wheeler and Cristopher Sánchez. Should his absence extend into the Wild Card round, the team must navigate to alternatives like Aaron Nola or an extended role for Painter.
With 12 games remaining, the immediate focus centers on securing the postseason berth while keeping the left-hander’s shoulder healthy enough to answer the bell when the playoffs open.