Matt Waldron’s rough Padres return reopened an uncomfortable rotation problem

We knew this was the risk. And now Matt Waldron has become the unintentional punchline, whether that’s fair or not. The Padres were asking a very specific kind of pitcher, coming off a weird spring interruption and stepping back into the rotation because Nick Pivetta hit the injured list, to immediately provide stability in a spot that already felt shaky. That’s a lot to ask from anyone, let alone a knuckleballer who hasn’t exactly been calm or predictable.

On April 18, that gamble blew up fast. Waldron made his season debut in Anaheim after opening the year on the injured list following hemorrhoid surgery in February. The rehab numbers at Triple-A El Paso were excellent. He threw 12.0 scoreless innings across three starts with 12 strikeouts and only one walk, which at least gave the Padres a reason to believe he could step in and hold things together. Instead, he lasted just 3.2 innings against the Angels, allowing six runs on eight hits in an 8-0 loss that also snapped San Diego’s eight-game winning streak.  

The Padres’ latest rotation patch already looks shakier after Waldron’s short outing

This was not only on Waldron. It also represents what his return said about the Padres’ rotation as a whole. He was stepping into a staff that suddenly needed coverage, not a settled group that could afford to ease him in. So when the outing unraveled that quickly, the attention didn’t stay on Waldron alone. It reopened bigger questions about the back end of San Diego’s rotation.

The Padres have enough top-end talent to make people forget the soft spots. 8-game winning streaks are good for that. They blur things and make roster issues feel smaller than they are, at least until a game like this forces everybody to look directly at the wiring again. Waldron was merely filling a spot, but the bigger issue is that San Diego still feels like a team that needs too much from its fifth-starter situations. 

And to be fair here, Waldron started 26 games for San Diego in 2024 and, for a while, looked like one of the more entertaining oddballs in the league because the knuckleball gave hitters an unusual look. There is a version of him that can be useful. But there is also a reason the reaction to Friday night feels like something you can’t shrug off. His one 2026 outing now sits at a 14.73 ERA, and because he is out of options, this is not the kind of roster situation San Diego can shuffle around without thinking through the consequences.  

If Waldron were just a disposable depth arm, this would be easy. But that is not really the setup because the Padres need innings. They need this to be more than a one-night emergency patch. And when the first impression looks like six earned runs before the fourth inning is over, it becomes a lot harder to keep selling the idea that this part of the staff is merely “in flux” instead of a real concern.  

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