The Diamondbacks announced that they have agreed to a five-year contract extension with right-hander Brandon Pfaadt. It runs from 2026 through 2030 with a club option for 2031 and a mutual option for 2032. Reportedly, he is guaranteed $45MM with the following breakdown: $2MM signing bonus, a $3MM salary in 2026 followed by subsequent salaries of $5MM, $8MM, $11MM and $15MM. Then there’s a $21MM figure on the ’31 club option and a $25MM mutual option in 2032, with each of those options having a $1MM buyout. He will reportedly have a five-team no-trade from 2030 to 2032. Pfaadt was previously slated for free agency after 2029, so this buys out at least one free agent year and the club option extends the club’s window of control by another season.
Pfaadt, 26, was a fifth-round selection of the Diamondbacks in 2020. He quickly raised his stock with some strong minor league numbers. In 2021, he tossed 131 2/3 innings over 22 starts, spread across Single-A, High-A and Double-A. He had a combined 3.21 earned run average, 30.2% strikeout rate and 5.3% walk rate. In 2022, it was 167 innings split between Double-A and Triple-A with a 3.83 ERA, 31.6% strikeout rate and 4.8% walk rate.
Going into 2023, he was considered one of the top prospects in baseball. He made his major league debut that year with 96 innings over 18 starts and one relief appearance. The 5.72 ERA doesn’t look amazing at first glance but Pfaadt’s 22.3% strikeout rate was around league average with a strong 6.2% walk rate. He held a spot in the rotation through the playoffs, making five postseason starts with a 3.27 ERA as the Diamondbacks took the National League pennant.
2024 was his first full season in the majors and he again performed better than his ERA would tell you. He allowed 4.71 earned run per nine over his 32 starts and 181 2/3 innings. His 24.3% strikeout rate and 5.5% walk rate were both strong numbers.
At this point, Pfaadt has a 5.06 ERA in 277 2/3 innings but that doesn’t tell the whole story. As mentioned, his strikeout and walk rates have been good. His .315 batting average on balls in play and 66.4% strand rate are both on the unlucky side. His 4.15 FIP and 3.86 SIERA point to him being roughly one run better than his ERA.
The Diamondbacks are presumably putting more stock in those under-the-hood numbers in committing to Pfaadt today. He was previously set to hit the open market after his age-30 season but they have instead locked him up through his age-31 season with a club option for his age-32 campaign as well.
Looking at MLBTR’s Contract Tracker, there have been a few recent extensions for pitchers in their pre-arb years. The top of the list has guys like Spencer Strider at $75MM, Brayan Bello at $55MM and Hunter Greene at $53MM. Those guys were all younger than Pfaadt is now and Greene also had the hype of being a second overall pick and high-profile prospect. Strider was just wrapping up a 2022 season with an insane 38.3% strikeout rate.
Pfaadt’s $45MM deal comes in just a hair under Tanner Bibee’s recent $47.2MM deal. That’s understandable since Bibee has a 3.25 ERA, 25.3% strikeout rate and 6.9% walk rate in 315 2/3 innings. Those numbers all put him a bit ahead of Pfaadt. He’s also a year closer to free agency, which gives him a bit of extra earning power.
For Pfaadt, he is kicking his free agency down the road, which will presumably lead to less future earning power. However, unlike some top prospects, he hasn’t been sitting on a multi-million-dollar bonus. He only got $100K when he signed and wasn’t slated to qualify for arbitration until after the 2026 season. This deal allows him to lock up some life-changing money ahead of schedule and before his career gets derailed by an injury, an ever-present concern for a pitcher.
For the Diamondbacks, they have been aggressive in locking up their incumbent players. In the past six weeks, they have given notable extensions to shortstop Geraldo Perdomo, reliever Justin Martínez and now Pfaadt.
The current rotation in Arizona is overloaded but the long-term picture is more open. For the 2025 season, they have Zac Gallen, Corbin Burnes, Merrill Kelly, Eduardo Rodríguez and Pfaadt in five spots. Ryne Nelson is working in long relief even though he’s talented enough to pitch in the rotation of many other clubs.
But Gallen and Kelly are both impending free agents. Burnes has an opt-out after 2026. Rodríguez is guaranteed through 2027. As the next few years play out, it’s possible that each of those guys eventually leaves Arizona. Pitchers within the system could possibly replace them, with Nelson, Drey Jameson, Yilber Díaz, Cristian Mena and some other arms already in house. As that plays out, the Snakes are surely hoping that Pfaadt can be a constant in their rotation as one group potentially makes way for another.
The club is currently running a franchise-record payroll but has some decent money coming off the books. In addition to the aforementioned pitchers, Jordan Montgomery’s deal expires after 2025. He’s making $22.5MM this year but won’t pitch at all due to Tommy John surgery. Eugenio Suárez is making $15MM this year and also slated for free agency. That will potentially create a hole at third base but it’s possible that prospect Jordan Lawlar could provide a cost-effective replacement. Lourdes Gurriel Jr. is only guaranteed through 2026 and Ketel Marte 2027.
Nick Piecoro of the Arizona Republic first reported the $45MM guarantee. John Gambadoro of 98.7 FM in Phoenix relayed the option values. Robert Murray of FanSided reported the limited no-trade protection and then the annual salary breakdown. Gambadoro then relayed that the no-trade covered five teams.
Photos courtesy of Joe Rondone and Rob Schumacher, Imagn Images
