The Ivory Coast international was signed by Roma in January 2015 from CSKA Moscow for a fee of 14.4 million euros. The 29-year-old has a valid contract with Roma until June 2019. In July 2016, Doumbia was sent to Basel on a season-long loan.
Since his arrival from Roma, Seydou Doumbia has scored 21 goals and provided two assists in 34 games for Basel in all competitions this season.
The 29-year-old is considered to be one of the best forwards in Ivory Coast.
The Ivory Coast international has been in impressive form for Roma this season.
As a member of Ivory Coast national football team, Doumbia has won 35 caps and has scored four goals.
Sporting CP are in the market for just a handful of statement signings this summer who can improve the first-team.
The Ivory Coast international is a player who has impressed many European clubs in the last season, and it is understood that Sporting CP manager Jorge Jesus would prefer playing him as a forward.
According to the report in Portuguese Media, the Ivory Coast international is set to join Sporting CP on a season-long loan with the view to a 6 million euros permanent transfer.