Basel confirmed that they have the they have the option of signing Doumbia permanently at the end of the loan spell.
The 28-year-old joined Roma from CSKA Moscow in 2015 but has failed to hold down a first-team place in the Italian capital and has subsequently been loaned out for a third stint since arriving at the Stadio Olimpico.
We're happy to announce to signing of Seydou Doumbia from AS Roma on loan! #FCBDoumbia88pic.twitter.com/w3t79HB3TC
— FC Basel 1893 EN (@FC_Basel_en) June 28, 2016