Grant Holmes brings a 46.6% whiff-rate slider and a 3.80 ERA into a matchup against Jake Irvin's 5.79 ERA and a sinker opponents are hitting at a .493 xwOBA — the pitching profiles point clearly in one direction. The total is sitting at 9, and Atlanta's depleted catcher situation adds a ceiling the number may not be accounting for.
Washington Nationals vs. Atlanta Braves MLB Betting Preview
Atlanta closed out Friday night's 11-inning walk-off in five runs, squeezing past Washington 5-4 in a game that went deep into extras. Today the pitching matchup shifts considerably — Grant Holmes (3-1, 3.80 ERA) takes the ball for Atlanta against Jake Irvin (1-4, 5.79 ERA) for Washington, and the total sits at 9 with the under priced at -115.
Atlanta is a heavy moneyline favorite at -188 — that price is completely off the table. The under, though, has a real structural case. The Braves' lineup is missing both starting catchers, Holmes has been a genuine run-suppressor, and Raisel Iglesias has not allowed a run in 15.2 innings this season. The question is whether Irvin's volatility introduces enough chaos to blow the number up before Atlanta's elite bullpen locks the back end down. That's the tension this game comes down to.
Game Information & Betting Odds
- Matchup: Washington Nationals @ Atlanta Braves
- Date: Saturday, May 23, 2026
- Time: 4:10 PM ET
- Location: Truist Park, Atlanta, GA
- TV: MLB.TV, BravesVision, Nationals.TV
- Moneyline: Washington Nationals +158 / Atlanta Braves -188
- Run Line: Atlanta Braves -1.5 (+102) / Washington Nationals +1.5 (-122)
- Over/Under: 9 (Over -105 / Under -115)
- Probable Starters: Jake Irvin (WSH) vs. Grant Holmes (ATL)
- Records: Washington Nationals 25-27 (NL East) | Atlanta Braves 36-16 (NL East)
The Pitching Matchup
The pitching matchup tilts this toward the under, and it starts with Holmes. His slider is the reason why — he's throwing it 37.2% of the time at 85.2 mph, and it generates a 46.6% whiff rate with a .308 xwOBA against. That's a plus-plus offering that neutralizes contact quality across most of a lineup. He backs it with a 94.4 mph four-seamer at 34.2% usage, and while that pitch allows a .363 xwOBA — a legitimate contact vulnerability — the slider-fastball combination forces hitters to make uncomfortable decisions at two very different speeds. Holmes' curveball at 9.5% usage adds a third look, generating a .216 xwOBA and 28.3% whiff rate. From an efficiency standpoint on the mound, Holmes profiles as a pitcher who gets swings-and-misses in the zone with his best pitch, not just at the edges.
The concern with Holmes is his walk rate. He's issued 22 walks in 47.1 innings — roughly 4.2 BB/9 — and those control lapses can inflate pitch counts and shorten his outing, pushing the game into the bullpen earlier than ideal. That's a real risk, not a minor footnote. If he's out after four innings instead of six, the run prevention calculus shifts.
Irvin is the volatility wildcard on the other side. His 5.79 ERA and 1.46 WHIP in 46.2 innings tell the story of a pitcher who struggles to miss bats consistently and gives up hard contact. His sinker sits at 24.7% usage with a .493 xwOBA against and only a 5.9% whiff rate — essentially a batting practice pitch when located poorly. His cutter (.449 xwOBA against) compounds the problem. The one Irvin pitch worth respecting is his curveball: 43.4% whiff rate, .267 xwOBA, 22.8% usage. If he leans on it, he can suppress Atlanta's lineup.
But here's the problem: the Braves' top of the order is loaded with right-handed hitters who punish mistake pitches. Matt Olson carries a .492 xwOBA vs. right-handed pitching and has gone deep twice in 19 career plate appearances against Irvin. Michael Harris II posts a .514 xwOBA vs. RHP with an 8.8% barrel rate and 39.8% hard-hit rate — the exact kind of hitter who makes Irvin pay for a flat sinker.
That said, what works against the over here is that Atlanta's lineup is meaningfully compromised. Drake Baldwin (oblique) and Sean Murphy (finger) are both on the 10-day IL, with Kyle Farmer also out. Chadwick Tromp is catching, and the lineup's production ceiling has dropped with two of its more dangerous bats removed. The Braves scored exactly five runs last night against a Nationals team that used an opener — they're not printing runs even with a favorable matchup. Friday's 5-4 final isn't a deterrent here; it's evidence the run environment in this series is tight.
Prediction
The game script looks like this: Holmes pitches five or six innings of controlled ball, gives up two or three runs with sporadic walks, and exits with a modest lead. Irvin navigates three or four innings before his sinker betrays him, Atlanta builds a two or three-run cushion, and then Iglesias and the Braves' bullpen — 3.08 team ERA, 1.133 WHIP — shuts the door in the back half. Washington's offense is playing cold right now and checks in at a .738 OPS on the season. The Nationals' top bats — CJ Abrams (.947 OPS, 11 HR) and James Wood (.908 OPS) — are dangerous, but the numbers on this lineup against quality pitching haven't been generating crooked numbers. Atlanta gets to six or seven runs total and Washington chips in three or four. Final looks like 5-3 or 4-3 — under 9.
The run line at +102 for Washington covering -1.5 is interesting on paper given the projected one-run margin, but the variance around Irvin makes that a coin flip with no edge. Pass.
At -115, the under carries modest juice for a game with a legitimate structural case on both sides. Holmes' walk rate is the live threat, but Atlanta's depleted lineup and Iglesias' lockdown form in the back end give the under enough structural support to play at 2 units.
Bet: Under 9 (-115) — 2 Units | Confidence: Moderate