Complex sentence: Page was supposed to challenge UCMMA UK-1 Welterweight champion Peter Irving for the belt, however Irving had to pull out of the fight due to injury and is now replaced by Jefferson George after another three opponents had to drop out after also being injured.
Split into simpler sentences: Page was supposed to challenge UCMMA UK-1 Welterweight champion Peter Irving for the belt. However, Irving had to pull out of the fight due to injury and was replaced by Jefferson George after another three opponents dropped out after also being injured.