He "left the club in 2010 after suffering persistent injuries, having made just 40 appearances".
His season was, however, disrupted by a persistent back injury which required an operation in late 2006.
She retired in 2004 due to a persistent back injury.
A persistent back injury forced him into early retirement from professional tennis in 1991.
He retired from professional football in early 2010 at the age of 27 due to persistent injuries.
He was released mid season, however, due to a persistent back injury.
He subsequently missed much of the following two seasons due to persistent injuries.
He had to end his professional career early (at the age of 26) in 2010 due to persistent injuries.
He scored 143 goals in a career which was cut short by a persistent back injury.
Nel cut his contract short in May 2011 due to a persistent back injury.