The most common and most likely answer to this crossword clue is the 6 plus 4 letter word TENNIS BALL
I've seen this crossword clue in The Daily Telegraph
T
E
N
N
I
S
B
A
L
L
More clues leading to the result TENNIS BALL
- One’s again hit hard following server issues during court proceedings
- Easily best in election ultimately? Quite, it should end up in court
- Medical labs in Netherlands engaging retired bouncer
- It’s served with a piece of toast at county town dance
- Participant in rally unlikely to welcome British Olympic success, beginning to boo
- Bouncer sent in building before dance
- Bouncer at annual event in London SW?
- Racketeers’ go-between?
- One keeps on the move in sporting rally
- A racket might send it over the net
Buddy explains!
The straight part
We know that "Racketeers’ go-between" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case racketeers’ go-between = tennis ball.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.