Bartra has penned new terms to 2017.
The 23-year-old centre back, who made the step up to the first team last season following three years at Barcelona B, now has a buy-out clause of 25million euros.
Bartra made his full international debut for Spain in a friendly against Equatorial Guinea last November and has won 37 caps at age-group level.
For breaking stories and all the great banter like us on Facebook: facebook.com/tribalfootball
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!