### Clue: Injury time needed after Canadian centre back stands on Maradona's head (6)
### Answer: DAMAGE 
 ### Explanation: Definition: Injury
  AGE(a period of time) **placed below**(needed after, in a down clue) [**reversal of**(back) AD(middle two letters,centre of "Canadian") **placed above**(stands on, in a down clue) M(initial letter,head of "Maradona"].  Another clunky construction?