ALLSPORTDATA · MLB

Tonight’s MLB slate, explained.

Clear game previews built from current batting orders, starting pitching, team form, player production, injuries, and matchup history.

View today’s game previews →Check batting orders
ASD AllSportData MLB game previews
MLB Game Preview · September 18, 2025

Seattle Mariners at Kansas City Royals

Current matchup information, probable starters, batting orders, and qualified game notes.

FinalKauffman Stadium3:40 p.m.

Game at a glance

Seattle Mariners visits Kansas City Royals at Kauffman Stadium, with first pitch scheduled for 3:40 p.m.. Both batting orders are confirmed and listed below.

Batting orders

Seattle Mariners

  1. 1Randy ArozarenaLF
  2. 2Cal RaleighC
  3. 3Julio RodríguezCF
  4. 4Josh Naylor1B
  5. 5Jorge PolancoDH
  6. 6Eugenio Suárez3B
  7. 7Dominic CanzoneRF
  8. 8Leo Rivas2B
  9. 9J.P. CrawfordSS

Kansas City Royals

  1. 1Mike YastrzemskiCF
  2. 2Bobby WittSS
  3. 3Vinnie Pasquantino1B
  4. 4Maikel Garcia3B
  5. 5Salvador PerezDH
  6. 6Adam FrazierLF
  7. 7Jac CaglianoneRF
  8. 8Carter JensenC
  9. 9Michael Massey2B

Pitching matchup

Luis Castillo is lined up for Seattle Mariners, opposite Stephen Kolek for Kansas City Royals. The confirmed starters and batting orders shown here come from the latest official MLB game feed.

Return to this date’s games →