Sport says the 16 year-old Senegalese forward has signed a three-year contract with Lazio.
Barca management regard Tounkara highly, though his development has been plagued by injury problems.
Tribal Football Staff are dedicated to the football tribes from all over the world. Our team is passionate about delivering football news to our hundreds of thousands of followers in all the corners of the globe. Football is life, It never stops, Neither do we.