St. Louis Cardinals vs Kansas City Royals Picks and Predictions for Sunday, June 21, 2026

By: Cameron Ross Published 06/21/2026, 01:25 AM ET

Cardinals vs Royals Game Information

The Saint Louis Cardinals stay on the road on Sunday for a 2:10 PM matchup against the Kansas City Royals. Saint Louis is 16 below .500 this season, riding a 3-game skid after dropping both games in this series. The Kansas City Royals stay home Sunday, 13 games below .500, but they are riding a 3-game winning streak. Stay in the news with our MLB Picks.

Cardinals Preview

Offensively, St. Louis has been solid, with a .247 batting average and 337 runs on 616 hits. Saint Louis has a .325 OBP and a .396 team slugging percentage. The Cardinals have a 4.22 team ERA this season and have allowed 26 runs during their current 3-game losing streak. Jordan Walker leads the way for the Saint Louis offense with a .295 batting average, 18 home runs, and 58 RBI's this season.

Royals Preview

The Kansas City Royals offense has a .247 batting average this season as they have scored 321 runs on 637 hits. Kansas City has a .320 OBP and a .392 team 13 percentage. The Kansas City pitching has been the biggest issue this season, with a 4.48 team ERA, but they've allowed 13 runs during their current 3-game winning streak. Bobby Witt Jr. leads the Kansas City offense this season with a .294 batting average. Salvador Perez has a .208 batting average and leads the team with 10 home runs. Carter Jensen has a .238 batting average and leads Kansas City with 38 RBI's this season.

Cardinals vs Royals Pitching Matchup

Dustin May will be on the mound for Saint Louis on Sunday, looking to improve on his season. May has 5 wins and 6 losses this season, with a 3.75 ERA over 81.2 innings. Stephen Kolek will be on the mound for Kansas City on Sunday, looking to continue rolling. Kolek is 4-1 this year with a 2.68 ERA over 50.1 innings.

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Cardinals vs Royals Sox Pick

Saint Louis is the better team in this matchup, but Kansas City has been playing better baseball of late. The Royals also have their home fans and a better pitcher on their side. Expect the Royals to jump on the Cardinals on Sunday to extend their winning streak in the final game of this set. Look for Kansas City to continue their winning ways to do the work against a good Saint Louis team Sunday in game 3 of this set with some offensive flurry that pushes the total to the over.

  • Pick: Kansas City Royals
  • Secondary: Β Over
  • Lean: Bobby Witt Jr. Over 1.5 Bases

Final Score Prediction:Β  Kansas City Royals win 7-3.

Game Written Prior to completion of game on Saturday.

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