Osvaldo Alonso

Ozzie Alonso to throw out ceremonial first pitch at Seattle Mariners game on Saturday, May 19

Ozzie first pitch

Seattle Sounders FC midfielder Osvaldo Alonso will deliver the ceremonial first pitch on Saturday, May 19, when the Seattle Mariners host the Detroit Tigers at Safeco Field.


Scheduled for a 6:10 p.m. PT start, the game marks Alonso’s second time participating in the pregame ritual, as he threw a first pitch for the Mariners when they faced the Kansas City Royals in 2016.

The Mariners and Sounders FC are once again teaming up for a special doubleheader promotion this season, scheduled for Saturday, May 26. For $50, fans receive a ticket to Sounders FC’s 2 p.m. PT match against Real Salt Lake, a ticket to see the Mariners face the Minnesota Twins at 7 p.m. PT and an exclusive doubleheader reversible knit cap, featuring Sounders FC colors and badge on one side that, when flipped inside out, displays Mariners colors and logo. Fans can purchase a doubleheader package at the following link: SoundersFC.com/Mariners.

2026 Season Membership Deposits

2026 Season Membership Deposits

Feel the pull of the Sound and step into something bigger. 2026 will continue to put Seattle soccer on the world stage, so there's no better time to join the Rave Green and grow with the Sounders legacy. Secure your seat alongside the best fans in MLS.

Two Tickets & Two Beers (vs. Portland Timbers)

Two Tickets & Two Beers (vs. Portland Timbers)

Come out to Lumen Field to watch your Seattle Sounders take on Portland with this special ticket offer sponsored by Michelob Ultra. For just $40 + Taxes & Fees, get two tickets & two beers for the match. For 21+ fans only and drinks must be picked up in the North Plaza 21+ beer garden prior to kickoff.

Kickoff at 7:30 p.m. PT on October 4.

Match & Merch Bundle (vs. Portland Timbers)

Match & Merch Bundle (vs. Portland Timbers)

Add a limited-edition Cascadia Rivalry t-shirt to your ticket to the Portland Timbers match. Matchday pick up info will be communicated prior to the match via email.

Kickoff at 7:30 p.m. PT on October 4.