Jonathan Leko is out for the rest of this season with a knee injury suffered in December

Charlton chairman Matt Southall says he wonders if football is “paying lip service” to racism after Jonathan Leko questioned the time taken to ban Leeds’ Kiko Casilla for racially abusing him.

An independent regulatory commission took 22 weeks to find Casilla guilty, with the goalkeeper consequently banned for eight matches and fined £60,000.

West Bromwich Albion’s Leko was on loan at Charlton when the incident occurred.

“Reading his statement has left me deeply saddened,” Southall said.

He wrote on Twitter: