The most common and most likely answer to this crossword clue is the 5 plus 3 letter word STAND OFF
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Buddy explains!
The straight part
We know that "Temporarily suspend/one of the players at Twickenham" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case temporarily suspend/one of the players at twickenham = stand off.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.
What does STAND OFF mean?
STAND OFF noun- Fly-half
- A device which maintains a fixed distance between two objects, especially between a surface and a sign or electrical wiring.
- A deadlocked confrontation between antagonists (see stand off and verb below).