Complex sentence: Additionally, to the surprise of nearly everyone, Donnie gives Conlan all he can handle and survives being knocked down to knock Conlan down for the first time in his career.
Split into simpler sentences: Additionally, to the surprise of nearly everyone, Donnie gives Conlan all he can handle. Conlan knocks Donnie down, but Donnie recovers to knock Conlan down for the first time in his career.