The St. Louis Cardinals make the short trip up I-70 to face the Kansas City Royals on Sunday, June 21, with first pitch scheduled for 2:10 PM ET at Kauffman Stadium. Dustin May gets the ball for St. Louis against Royals right-hander Stephen Kolek in what shapes up as a compelling interleague matchup between two franchises still very much figuring out their identities in 2026. With the Cardinals carrying a lineup loaded with young talent and veterans on the fringe, how they handle a divisionally-adjacent rival in a meaningful regular-season setting matters — every game counts at this point in June.

Cardinals at Royals Pitching Matchup: Dustin May vs. Stephen Kolek

Dustin May has the kind of stuff that can dominate in any ballpark — a mid-to-upper-90s sinker with elite movement that can generate weak contact when he's locked in. The key for May is command and staying out of deep counts. When he's working efficiently and keeping the ball down in the zone, he's a handful for any lineup. Kauffman Stadium, with its spacious outfield, should play to May's ground-ball tendencies, which is exactly the kind of context where his arsenal thrives.

On the other side, Stephen Kolek is a young arm the Royals are counting on to contribute in a rotation that has leaned heavily on development. He's a pitcher worth watching — the kind of guy who can exploit an aggressive Cardinals offense if St. Louis isn't disciplined at the plate. Cardinals hitters will need to work counts early and not let Kolek get comfortable.

St. Louis Cardinals Starting Lineup at Kansas City

• JJ Wetherholt, 2B
• Iván Herrera, DH
• Alec Burleson, 1B
• Jordan Walker, RF
• Lars Nootbaar, LF
• Masyn Winn, SS
• Jimmy Crooks, C
• Blaze Jordan, 3B
• Nathan Church, CF

Keys to Watch for the Cardinals

Jordan Walker and the Middle of the Order

Jordan Walker hitting cleanup is both a vote of confidence and a statement about where this offense is headed. Walker has the raw power to do serious damage against a young pitcher like Kolek, and how he performs in run-producing situations will be one of the defining storylines of this game. If Walker squares one up early, it could set the tone for the entire afternoon.

JJ Wetherholt at the Top of the Lineup

Leadoff man JJ Wetherholt is one of the more intriguing pieces of the Cardinals' rebuild. His ability to get on base and create chaos sets the table for everything that follows. Keep an eye on how he handles Kolek in his first couple of at-bats — that matchup could dictate the Cardinals' offensive rhythm all game long.

May's Pitch Count and Efficiency

St. Louis needs length from May on Sunday. Getting deep into games has been a priority for a Cardinals rotation that can't afford to burn through the bullpen unnecessarily. If May can navigate five or six innings while keeping Kansas City's lineup — led by Salvador Perez and the young Jac Caglianone — off the board, this is a winnable game.

Masyn Winn's Defensive Impact

Winn at shortstop continues to be one of the most reliable constants for this Cardinals club. On any given afternoon, his glove can save two or three runs that never show up in the box score. Against a Royals lineup that features quality contact hitters like Maikel Garcia, Winn's range and instincts will be tested.

Prediction: Cardinals Win 4-2

Dustin May's sinker profiles well against Kauffman's dimensions, and the Cardinals' lineup has enough firepower in the middle — Walker, Burleson, and Nootbaar — to scratch out runs against a developing arm. St. Louis takes this one 4-2 in a well-pitched, low-drama Sunday afternoon win on the road.

Catch the game on Cardinals.TV or listen live on KMOX 1120 AM / 104.1 FM.