The Toronto Blue Jays are also reportedly interested in the 28-year-old first baseman/outfielder.
Tsutsugo is available through the Japanese posting system until Dec. 19, according to Morosi. If the player and an MLB team agree to a deal, the major-league club will pay a transfer fee based on a percentage of the contract's value.
In late October, Tsutsugo said he's dreamed about playing in the majors since he was a child, according to Jason Coskrey of The Japan Times
Tsutsugo spent a decade with the Yokohama BayStars in the Japanese Central League. Of his 205 career home runs, 139 have come in the last four seasons.