### Clue: Seeing that old Liverpool player follows Shankly's tip (5)
### Answer: SINCE 
 ### Explanation: Definition: Seeing that
 INCE(Paul, former footballer who played for Liverpool) **placed after**(follows, in an across clue) the 1st letter of(…'s tip) "Shankly". Bill Shankly was of course Liverpool's manager, but he died long before Ince joined.