Mariners' trade deadline excitement is hiding a huge in-house breakthrough

Seattle Mariners v Los Angeles Angels | Harry How/GettyImagesThe Seattle Mariners news cycle has seen a flurry of activity recently. Seattle recently acquired Josh Naylor to bolster their offensive production at first base, Ichiro Suzuki became the most recent franchise legend to be inducted into the hall of fame, and the rumors of who gets to stay and who could be sent off to a different team have continued to fly.

However, as hard as it might be to believe, the regular season is still very much ongoing and the Mariners aren't out of the woods just yet.

The Mariners have gone 5-5 in their last 10 games, which has coincided with a six-game win streak for the Texas Rangers, making the two…