The M's downed the San Diego Padres 7-4 in the Cactus League opener. Here's what you need to know about everything that happened at the Peoria Sports Complex.

The technology for tracking balls and strikes and challenging the human umpires behind home plate is making its Major League Baseball debut this season.

The lid has been lifted, and the Mariners are off and running in Cactus League play. Seattle opened its 31-game Spring Training slate on Friday against the Padres, their neighbors at the Peoria Sports Complex.

Seattle's search for its first pennant could end this fall as the Mariners parlay pitching and power into a well-oiled machine.

With Seattle set to start the season, Mariners analyst Shannon Drayer says he's gotten a totally different impression from the M's in 2026

The scream will be seared into Mariners’ fans minds, maybe forever. In the heartbreaking moments following Seattle’s Game 7 loss to the Blue Jays in the American League Championship Series, Bryan Woo

From a roster-construction standpoint, moving one pitcher to get Cronenworth and a top-15 prospect would be a great deal, though there would be worries about Miller becoming the ace of another team in the future.

It didn't take long for Brendan Donovan to fit nicely into his new Seattle Mariners uniform, nor he quickly assimilated into the clubhouse. His steady presence