Nkeng 'an exciting prospect' but is he ready?

[Getty Images]Charlton Athletic fan and journalist Louis Mendez believes new Addicks signing Junior Nkeng is "a really exciting prospect" for the side, but might not be able to make an immediate impact.The 19-year-old has played 25 games for AFC Wimbledon in League One but the Championship will be unknown territory for the Spaniard."There's always a difference between being in League One and into the Championship, which Charlton found out with a few of the players last summer," Mendez told BBC R