Even after the acquisition of first baseman Josh Naylor last week, the Mariners plan to aggressively pursue more roster upgrades before the MLB trade deadline at 3 p.m. PT Thursday.

Cleveland Guardians closer Emmanuel Clase — a rumored MLB trade deadline target — has been placed on paid leave in connection with a sports-gambling investigation, ESPN's Jeff Passan reported Monday. Clase is reportedly on leave through Aug. 31, per The Athletic's Zack Meisel.

Riding a six-game win streak, the Rangers are now tied with the Seattle Mariners at 56-50 for the third American League Wild Card spot.

Tyler Locklear was named the PCL's Hitter of the Week, but will he be in the organization by the end of the week?

Arizona Diamondbacks trade rumors, speculation, news, updates, tracker, moves, transactions, what to know before 2025 MLB trade deadline on July 31.

The Seattle Mariners have already added a star first baseman to their roster. Could they also swing a franchise-altering move for MacKenzie Gore?

M ajor League Baseball's trade deadline is scheduled for next Thursday, which means teams have less than a week to get their midsummer shopping done. The moves have already started, as the Mariners recently acquired Josh Naylor from the Diamondbacks while the Yankees acquired Ryan McMahon in a trade with the Rockies .