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 ...

The Kansas City Royals and the Seattle Mariners meet in the third contest of a 4-game series at T-Mobile Park in Seattle ...

Vinnie Pasquantino had a two-run single in the seventh inning and the Kansas City Royals beat the Seattle Mariners 3-2.

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.

PITCHING PROBABLES: Royals: Michael Wacha (4-8, 3.62 ERA, 1.26 WHIP, 75 strikeouts); Diamondbacks: Ryne Nelson (4-2, 3.61 ERA ...

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 ...