The Diamondbacks made a roster move ahead of their series finale against the Royals by placing right-hander Ryan Thompson on ...

Missed opportunities plagued the Seattle Mariners in their series split against the Kansas City Royals from June 30-July 3.

The Arizona Diamondbacks celebrate the Fourth of July by hosting the Kansas City Royals Friday in the opener of a 3-game set ...

Diamondbacks starter Ryne Nelson tied a season high with 6 2/3 innings vs. the Giants in his most recent start, with no walks ...

The Kansas City Royals (40-47) and the Seattle Mariners (45-41) wrap up a 4-game series Thursday. First pitch from T-Mobile ...

The Seattle Mariners got timely hits when they needed to and let the bullpen handle the rest in a 3-2 win against the Kansas ...

The Kansas City Royals take on the Seattle Mariners tonight in the third installment of this year’s Battle for Grass Creek.

The Seattle Mariners were unable to complete multiple attempted comebacks in a 6-3 loss against the Kansas City Royals on ...

BOTTOM LINE: The Seattle Mariners host the Kansas City Royals on Wednesday. Seattle has a 21-20 record in home games and a 44-41 record overall. The Mariners have a 21-9 record in games when they hit ...

The Pittsburgh Pirates were swept by the Seattle Mariners over the weekend after their bats went completely cold, and they ...

Kansas City Royals shortstop Bobby Witt Jr. (7) scores a run past Seattle Mariners catcher Cal Raleigh (29) during the seventh inning at T-Mobile Park on July 3, 2025. Steven Bisig Imagn Images ...