Walker's pace suffered after a long-term injury and his England career was cut short as a result.
And having Leacock back from long-term injury is like a new signing.
The 2008-09 campaign was lost by the young midfielder, since he suffered a long-term injury which kept him off the field for almost seven months.
A long-term injury had kept Walker out of action for most of the 2001-02 season.
If the Magic cannot avoid long-term injuries, the bench will become more of a factor.
The latter has made his comeback from long-term injury this month.
The 74th caution left United with another long-term injury.
However, just over a month later, he suffered a long-term injury and was ruled out for seven months.
However, a long-term injury kept him out of contention for almost eight months, and he only made three appearances in the 2005-06 season.
Wild cards may also be given to players whose ranking has dropped due to a long-term injury.