The Washington Nationals keep finding reasons to look up when they hand the ball to one of their newest arms.
Before the series opener against the Los Angeles Dodgers, the club announced that Jack Sinclair would be making his major league debut. The right-hander became the latest minor league pitcher to get the call, following Erik Tolman, Jared Simpson, Jackson Kent and Luis Perales. And like Tolman and Simpson before him, Sinclair made a strong first impression.
Against a Dodgers lineup packed with All-Stars and future Hall of Famers, the 27-year-old former 16th-round pick delivered a hitless inning and showed off real swing-and-miss ability. His fastball averaged 97.3 mph, and he mixed in a sweeper that posted a TJStuff+ rating of 108 while generating whiffs 33.3% of the time.
That kind of stuff has become a theme for Washington’s recent wave of promotions.
Tolman, who stood out during the Nationals’ 10-game homestand, has averaged 97.2 mph on his fastball and carries a TJStuff+ rating of 105. He works with a high-end slider and changeup, giving him weapons that have played against both right-handers and left-handers. Perales has had his struggles since arriving in the majors, but his raw tools have still jumped off the page, with a 99.5 mph average fastball and a TJStuff+ mark of 109.
For a Nationals staff that has lacked top-end stuff and ranked among the worst groups in the majors over the past few years, that matters. President of baseball operations Paul Toboni stressed patience when talking about building a better big league pitching staff, but the recent arrivals of Sinclair, Tolman and Perales suggest help is already here.
The other recent call-ups have offered some encouraging signs too, even if their TJStuff+ numbers are not yet above average. Simpson sits at 99 and Kent at 96. Simpson opened his MLB career with three hitless innings, three strikeouts and no walks, while Kent has shown flashes of back-end starter potential despite the usual growing pains against major league hitters.
The final month now offers Washington a chance to keep giving these young pitchers innings at the big league level. That runway could matter down the line, helping them build toward offseason growth and, the Nationals hope, become factors for the bullpen as soon as 2027.
For now, the message is simple: the Nationals have been short on premium stuff for too long, but their newest arms are bringing it. The next step is helping them turn that raw talent into something lasting.
In Other News...
CJ Abrams Still Has One Big Nationals Question Hanging Over Him
The Nationals have spent the last couple of weeks testing a new path for CJ Abrams, and the latest update suggests they are willing to keep experimenting. After moving him off shortstop in mid-August because of defensive issues, Washington had him debut at second base, where the early looks have been encouraging. It is part of a broader late-season evaluation for a club that is still sorting out pieces for the future, while also tracking the progress of pitchers Connelly Early, Josiah Gray and Cade Cavalli as they work through injury recoveries and recent game activity.
Abrams next step is still the interesting one, because the Nationals are not treating this as a simple one-position answer. The more they see him handle the middle infield, the more they can weigh what fits best for him and for the roster, and that decision carries plenty of implications beyond the final weeks of this season. For now, Washington has at least given itself a useful look, and Abrams has given the club reason to keep the conversation going. [Read more 🡒]
Nationals Bullpen Suddenly Has Homegrown Arms Fans Need To Watch
A sudden wave of homegrown relief help has given the Nationals bullpen a different look, with Erik Tolman, Jared Simpson and Jack Sinclair all getting their first extended taste of the majors after being developed inside the organization. For a club that always has an eye on whether its pitching pipeline is producing real depth, the early returns have been encouraging, especially since all three arrived as late-round draft picks and have shown sharper command than many expected.
Tolman has been the most eye-opening of the group, working into high-leverage innings and missing bats without giving much away, while Simpson handled his debut like a pitcher who belonged in the moment. Sinclair has also made an immediate impression with a confident first outing, giving the Nationals a trio of young arms worth tracking as the season unfolds. The bigger question now is how long this burst of poise and control can hold once opposing lineups get a second look. [Read more 🡒]
Nationals Got An Intriguing Look At Two Very Different Young Arms
A game against the Dodgers gave the Nationals a useful snapshot of two young arms at different points in their development. Jackson Kent was on the mound for his fifth big league start, and the rookie left the outing having worked five innings as Washington tried to see how his stuff would hold up against a lineup with real postseason-level teeth.
The more immediate spark came from Jack Sinclair, who was called on for his Major League debut and handled the eighth inning cleanly. Washington ended up on the short end of a 5-3 loss, but nights like this still matter for a club sorting through its pitching future, especially when one arm is trying to settle in and another is just arriving on the scene. [Read more 🡒]