In a move that highlights their aggressive strategy before the MLB Trade Deadline, the Seattle Mariners made headlines by acquiring first baseman Josh Naylor from the Arizona Diamondbacks on Thursday.

The New York Yankees pulled themselves out of the running for Eugenio Suárez, and now Jon Heyman believes the Chicago Cubs and Seattle Mariners are the leaders.

The 34-year-old leads MLB in RBI with 87 and is arguably the best hitter rumored to be available at the July 31 trade deadline. The Diamondbacks, who fell to 51-56 after Monday’s loss, appear to be sellers and already traded first baseman Josh Naylor to the Seattle Mariners last week.

On Thursday, the Seattle Mariners officially kicked off trade deadline season by acquiring former All-star first baseman Josh Naylor from the Arizona Diamondbacks.

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According to a report from Scott Lauber of the Philadelphia Inquirer, the Philadelphia Phillies have inquired about acquiring Arizona Diamondbacks infielder Eugenio Suárez in a trade.