Matt Waldron is in contention to be the San Diego Padres’ fifth starter for the 2026 season. He will need to be consistent during spring training to earn that spot, and the Padres’ catchers will need to learn how to handle a knuckleball pitcher. That may be a lot to ask in what’s become a suddenly crowded competition, but that knuckleball is Waldron’s key back to San Diego.
Waldron and Padres manager Craig Stammen were never on the same pitching staff. Waldron spent the entire 2021 season in the minor leagues during his first year in the Padres organization. Stammen was on the major league roster and had 63 relief appearances and four starts.
For reference, Stammen didn’t pitch poorly in his 2021 starts. Padres manager Jayce Tingler utilized multiple “bullpen days” and Stammen was the formal starter while Tingler had no intent of having Stammen pitch more than once through the order. Those bullpen days, along with Tingler’s habit of removing effective starters before the sixth inning resulted in eventual bullpen fatigue, and Maxwell’s silver hammer came down on the Padres’ head late in the season.
Had the Padres’ rotation in 2021 included a knuckleball pitcher who could last into the sixth or seventh inning, the Padres might have obtained a wild card berth in the National League playoffs. The success of the 2026 Padres will be based in part on whether the team’s fourth and fifth starters can last long enough into the game to give the bullpen sufficient rest for subsequent outings.
In 2021, Waldron made 20 starts for the Padres’ Class AA and High-A farm teams. He threw 103 2/3 innings in those outings, an average of more than five innings per start. Waldron’s 25 Triple-A and Double-A starts during 2022 totaled 113 2/3 innings, which still created an average of lasting into the fifth inning.
Waldron pitched in 20 Class AAA games in 2023, starting 18 of those. On multiple occasions, he was briefly called up to the Padres, and on August 28 of that year, he was recalled by the Friars and stayed with the major-league team after the roster limit expansion took effect in September. In his first major league start, he was removed after 4 2/3 innings, but his other five starts that year were between five and six innings. He came to the mound from the bullpen twice in 2023, pitching five innings in his first relief appearance and 4 2/3 frames in the other one.
Waldron began 2024 on the Padres and stayed with the major-league club until being sent to El Paso on August 22. His 26 starts totaled 142 2/3 innings for an average of more than five once again. In his worst 2024 outing, he allowed eight runs in three innings. On two other occasions he was removed after four innings. On seven occasions he pitched at least five innings; there was also a streak in there where he allowed three or fewer hits including three consecutive starts in which he allowed two hits in 6 1/3 innings, three hits in six innings, and three hits in seven innings. The two starts sandwiched around those three games were both seven-inning outings. Waldron had streaks of six and four starts in which he pitched at least six innings.
In seven of his 26 starts during 2024, Waldron lasted less than five innings. The final one of those, a 4 1/3-inning outing on August 21, was the 32nd career start for the second knuckleball pitcher in Padres history and broke Joe Niekro’s team record for most starts by a knuckleball pitcher.
An oblique muscle strain delayed Waldron’s 2025 debut to the second half of May, when he pitched in three rehabilitation assignments. Waldron was activated from the 60-day disabled list June 1 and sent to El Paso. His 18 starts with the Chihuahuas totaled 82 1/3 innings for an average of, you guessed it, more than five frames. He was called up to the Padres for a June 30 start in which he allowed four runs in 4 2/3 innings before being returned to El Paso. Martin Maldonado, who is no longer with the club, was Waldron’s catcher during his one major-league appearance last year.
Waldron’s career major league totals of 179 innings in 33 starts average out to him pitching into the sixth inning. Stammen, who experienced first-hand the Padres 12-34 finish in 2021, recognizes the value of a pitcher who can avoid overtaxing the bullpen. If Waldron can regain his consistency and if the Padres’ catchers can figure out how to handle a knuckleball, there may be a dark horse yet for that fifth starter job in camp.
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