Mariners' 1st spring training lineup hides a Luke Raley story under 2 top prospects

Apr 4, 2025; San Francisco, California, USA; Seattle Mariners outfielder Luke Raley (20) runs onto the field before the game against the San Francisco Giants at Oracle Park. Mandatory Credit: Bob Kupbens-Imagn Images | Bob Kupbens-Imagn ImagesThe Seattle Mariners are ready to roll for their Cactus League opener against the San Diego Padres, and they're going to give fans a look at two top prospects right off the proverbial bat.

Right there in the No. 8 and No. 9 spots for Friday are Michael Arroyo and Colt Emerson, who'll play second base and third base, respectively. This is "get excited" stuff on account of how MLB Pipeline has both down as a top-100 talent, with Arroyo at No. 67 and…