### Clue: Nothing left of Neymar? Card following (3,4)
### Answer: FAN CLUB 
 ### Explanation: Definition: following
 FA(abbrev. for the expletive "f**k all"/nothing) + **1st letter of**(left of, in an across clue) "Neymar" + CLUB(one of 13 cards of the suit of clubs in a deck of playing cards).
And if you hated maths, you might express it thus, limerick-ally:
A mathematician named Hall
Had a hexahedronical ball—
And the square of its weight
Plus his pecker's times eight,
Was four fifths of five eighths of f**k all.