Charlton boss Russell Slade today two players were undergoing medicals at the club – a striker and a midfielder.
newsshopper.co.uk/sport understands DR Congo international Botaka, who joined Leeds last summer, is the said midfielder.
The 23-year-old made 13 Championship appearances for the Whites during the 2015/16 campaign and will hope to find regular football in SE7.
Botaka started his professional career at Club Brugge and played 73 league games for Dutch side Excelsior before signing for Leeds.