Aliko Dangote, Africa's richest man, has put a 2020 timeline on his goal of buying Arsenal, following a report that Alisher Usmanov is exploring a sale of his 30 percent stake.
The Russian billionaire, that Usmanov has grown frustrated that the club's majority owner, Stan Kroenke, is unwilling to engage in takeover talks and has given up all hope of acquiring the club outright.
