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.

Baseball is finally here, and the largest crowd ever welcomed the Mariners back in their Cactus League opener at Peoria Stadium. Here's how the M's first game went

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 Mariners catcher Cal Raleigh put together an incredible season in 2025, finishing second in the American League MVP voting after hitting 60 home runs and driving in 125 runs.

Mitch Garver is in Seattle Mariners camp after what he called a long and quiet winter. When offers didn't come in, he got an assist from a teammate.

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

Manager Dan Wilson announced the Mariners’ first Cactus League lineup for the spring opener against the Padres and it contains two intriguing prospects.

The first baseman, who joined the Mariners just before the trade deadline in 2025, said Tucker helps lighten the team's day.

Mariners popular first baseman Josh Naylor has been showing off his Seattle sports jersey collection at spring training. "I want to represent Seattle to the fullest," he said.