"I'm definitely a good player - a defensive or attacking midfielder, " the Olympic 100m and 200m champion told BBC 5 live's Sportweek programme.

BBC: Top sprinter Usain Bolt wants to be a footballer

The former West Ham midfielder has scored 20 or more goals in his last five seasons at Chelsea, an incredible achievement for a central midfielder - albeit an attacking one.

BBC: World Cup scouting: attacking midfield

Whether it was an enforced change because of injury or a tactical one, Celtic manager Neil Lennon had started the second half with a more attacking formation, with midfielder Ki Sung-Yeong coming on for Mulgrew and Joe Ledley moving back to left-back.

BBC: Sport - Football - Celtic 2-1 Hibernian

Eriksson made one alteration from the side which beat Sunderland, with Vassell replacing Sun Jihai and attacking midfielder Elano shifting to right-back, a position he has previously filled for Brazil and former club Santos.

BBC: Man City 3-1 Portsmouth

Though if he finds that South Africa have good attacking full-backs, he is likely to pull a central midfielder very deep into a holding role, as he did with Mauro Silva in 1994.

BBC: SPORT | Football | African | Parreira style