The Japan international is on the brink of joining Zaragoza, reports El Heraldo.
The midfielder, 30, spent last season on-loan with Besiktas, where he scored four goals and produced assists.
Kagawa, formerly of Manchester United, could sign for Zaragoza today.
Zaragoza coach Víctor Fernández recently told fans "we'll sign an internationally recognised star".
Need a VPN? Or seeking to switch? Then support Tribal Football by clicking here to sign up with our official partners NordVPN. Not only will you receive the best VPN experience, but also great discounts by signing up via Tribal Football. Thanks for your support!