0_Apprentice
My position is linebacker.
1_Wizard
Linebackers are defensive positions in football. How long have you played football? 
0_Apprentice
I have been playing since I was 6.
1_Wizard
So how many years is that? American football positions have changed over the history of american football. 
0_Apprentice
That would be 25 years.
1_Wizard
Have you ever played rugby? American football and rugby have many similarities. 
0_Apprentice
No I have not.
1_Wizard
The earliest history of football can be traced rugby football. 