Answer: "The Manchester United defender could not hide his rancor and committed a serious foul on the Liverpool striker, which put in danger his continuation in the game".
Explanation: The word "rancor" is a noun and it is used to refer to a feeling of anger. It is associated with the desire of hurting someone due to resentment. Some synonyms of "rancor" are "bitterness" and "resentfulness". In the sentence provided, "rancor", which is collocating with the verb "hide", has been used to refer to the anger that a player feels towards his rival and that leads him to hurt him physically.
