It involves attacking the face, and the Prophet (peace and blessings of Allah be upon him) said: “If any one of you has a fight with his brother, let him avoid the face.” (Al-Bukhari, 2560; Muslim, 2612).
Boxing is based on hitting the face of one’s opponent with the strongest blow.
Many boxers have been permanently injured, especially with damage to the brain and nerves, and thus it is impermissible sport to practice.
A person can learn boxing techniques by practicing on a punching bag instead of hitting the face of a real opponent.
There is nothing wrong with you presenting boxing sports shows in front of the general public or in places designated for exhibitions. The prohibition is specific to harmful combat sports. If the harm involved with this sport is negated, causing direct harm, or striking and disrespecting the face, If you confine yourself to practice this sport, avoiding the typical harm it usually entails, you should be okay to practice it.