With just one day to go until his posting deadline expires, Japanese slugger Kazuma Okamoto has now been connected to the Seattle Mariners on the free agent market. Mark Feinsand made note of it in a Jan. 1 piece for MLB.com.

The Seattle Mariners are one of the best teams in the league right now and they've built their roster in a plethora of different ways. Seattle has hit free agen

The Seattle Mariners have been named as the best trade fit for an All-Star slugger to help fill the team's top need at the moment.

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The NPB slugger could be on the Mariners' radar. Visit MLB Trade Rumors for the breakdown of how Okamoto would fit into Seattle's roster.

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FanGraphs has the following rankings for the team's top 10 prospects: Emerson; Ryan Sloan, RHP; Kade Anderson, LHP; Jonny Farmelo, OF; Montes; Arroyo; Jurrangelo Cijntje, SP; Felnin Celesten, SS; Luke Stevenson, C; Yorger Bautista, OF.