“Why does the man want to buy nine rackets?”/“Because tennis too many.”

A tennis riddle is:
 
Q: Why does the man want to buy nine rackets?
A: Because tennis too many.

   
“Tennis” is a pun on “ten is.” The joke was posted on Twitter by Olls Grainger on April 3, 2016.
   
           
Twitter 
Olls Grainger
@OllieGrainger
Why does the man want to buy nine rackets? Cause tennis too many
4:11 PM - 3 Apr 2016
     
Twitter
Steve Keyes
@StevoKeyes
@CathHeaney
Why does the man want to buy nine rackets? Cause tennis too many
4:49 PM - 3 Apr 2016 from Yorkshire and The Humber, England
     
Twitter
Conner
@connerherron
@ tennis people
Why does the man want to buy nine rackets? Cause tennis too many
1:49 PM - 13 Apr 2016
 
Reddit—Dadjokes
Posted by u/ssmman October 15, 2017
A giant list of puns
(...)
Why does the man want to buy nine rackets? Cause tennis too many.
 
Reddit—Jokes
Posted by u/CoolEqual March 10, 2019
Why does the man want to buy nine rackets?
because tennis too many.
COMMENTS
Tonysopranosid
He didn’t want to string you along
 
Reddit—Dadjokes
Posted by u/Quint_Cordewener June 6, 2019
Why does the man want to buy nine rackets?
Cause tennis too many.