St. Louis Cardinals at Atlanta Braves

Matthew Liberatore (3-5, 5.56 ERA) draws Martín Pérez at Truist Park, with first pitch at 7:15 PM ET. On paper that's a significant mismatch — Pérez has quietly been one of the better stories in the NL this year, while Liberatore has spent June actively destroying his trade value and making Cardinals front-office people type things they'll regret into Slack.

Liberatore is 0-2 with a 10.34 ERA across his 4 June starts, averaging under 4 innings per outing. His last time out against Arizona on June 24 went 5.1 innings with 6 earned runs and 8 hits on 98 pitches — the kind of line that accelerates conversations about demotions and bullpen moves. Per reporting from BVM Sports, the Cardinals are now openly weighing their options with him ahead of the trade deadline. Pérez, on the other hand, earned his rotation spot the hard way after signing a minor league deal in January and working his way into a real role. His ERA sits at 3.00 through 10 starts. His last outing against San Diego was messier than usual — 4 innings, 3 earned runs, 4 walks on 82 pitches — but the season-long numbers are legitimate.

	1	2	3	4	5	6	7	8	9	R	H	E
STL	0	0	0	4	0	1	0	0	0	5	6	0
ATL	0	0	1	0	0	0	1	1	0	3	6	0

The shared misery between these two clubs is real. Atlanta's offense has been a problem: during a 4-12 stretch that's chipped their NL East lead down to 3 games over the Phillies, the Braves have been shut out twice and scored 3 or fewer runs in 10 of those 16 games. Austin Riley went 4-for-21 on the West Coast road trip and is hitting .209. The Cardinals are equally uninspiring — they went L-T-L-L-W in their last 5, the tie being a 0-0 result against Arizona that somehow counts on anyone's ledger, and they're now just a half-game ahead in the NL wild-card race. This opener is the first Cardinals-Braves meeting of the season, and it's the kind of game where the team that strings 3 hits together first might just win.

The Braves' injury situation is staggering. Ronald Acuña Jr. is a "long way" from returning per manager Walt Weiss — it's the same hamstring spot as his earlier 2026 injury, and Atlanta is being extra cautious this time. Spencer Strider is on the 60-day IL. Spencer Schwellenbach is on the 60-day IL. Jurickson Profar is out for the entire season after his PED appeal was denied. Sean Murphy has a fractured finger. That's your superstar outfielder, both projected top-of-rotation arms, your left fielder, and your catcher — all unavailable. The 49-33 record is legitimately impressive in that context, which makes the current slide feel more like a natural correction than a collapse.

The real pressure tonight falls on Pérez. The Braves can not afford another short start — their bullpen has been worked hard during this skid, and if Liberatore gets chased before the 5th and forces both pens into overtime, Atlanta's depth advantage disappears fast. The Cardinals do not need their starter to be good; they just need him to be survivable long enough to make this interesting. At 43-38 and fighting for a playoff spot, St. Louis takes what it can get.

Sources