Mariners promote top prospects Lazaro Montes and Michael Arroyo to Triple-A

The Seattle Mariners announced the promotions of outfielder Lazaro Montes and infielder/outfielder Michael Arroyo to Triple-A Tacoma Rainiers on July 6, 2026. Montes, ranked No. 26 in MLB Pipeline's top 100, performed well in Double-A Arkansas, hitting 25 home runs this season. Arroyo, the No. 43 prospect, excelled with a.287 batting average and demonstrated versatility across multiple positions. This move follows the Mariners' recent series victory against the Toronto Blue Jays, highlighting a push to bolster their roster with emerging talents ahead of the major league season's conclusion.

• 7:17 AMYahoo Sports — Seattle Mariners Promote Second Top 100 Prospect to Triple-A