770 KTTH AM will carry tonight's Mariners-Red Sox series opener while 710 ESPN Seattle will air the Seahawks-Bears preseason game.
The Mariners-Red Sox game begins at 4:10 p.m. 770 KTTH AM and 710 ESPN Seattle will simulcast the pregame show – which begins at 3 – and the game itself until 5, at which point 710 ESPN Seattle will switch to the Seahawks pregame show. 770 KTTH AM will continue to air the Mariners game and will carry the postgame show as well.
As usual, KIRO Radio 97.3 FM will simulcast the Seahawks game along with 710 ESPN Seattle. Kickoff is set for 7.
Both games can also be heard on their respective station's live streams in the Seattle-Tacoma area. Here are the links to each station's live stream: