Mariners claim Willie MacIver, sign Scott Effross amid game against Yankees
Yahoo Sports • 1 min read • Latest: Aug 13, 2026, 2:00 PM
Last updated Aug 13, 2026
The Seattle Mariners claimed catcher Willie MacIver off waivers from the Blue Jays and signed right-hander Scott Effross to a minor league deal. The Mariners played against the Yankees, losing the middle game of the series 10-5. Cal Raleigh's struggles are highlighted as he has seen a significant decline since his previous near-MVP season. Meanwhile, the Detroit Tigers placed outfielder Riley Greene on the injured list due to a hamstring strain.
- •Mariners claimed Willie MacIver off waivers from the Blue Jays.
- •Mariners signed Scott Effross to a minor league deal.
- •Mariners lost to the Yankees 10-5, game currently in progress.
- •Cal Raleigh struggles continue following near-MVP season.
- •Tigers placed Riley Greene on the injured list with a hamstring strain.
- 2:00 PMYahoo Sports — Mariners News: Willie MacIver, Scott Effross, and Riley Greene
"The Mariners make a pair of small roster transactions. Meanwhile, Arte Moreno is forced to claim the city of Anaheim.
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