Complex sentence: Chelsea replaced midfielder Jiří Jarošík with striker Eiður Guðjohnsen at the start of the second half, and started the second half in the same manner that they finished the first, with Liverpool withholding the pressure on their penalty area.
Split into simpler sentences: Chelsea replaced midfielder Jiří Jarošík with striker Eiður Guðjohnsen at the start of the second half. Chelsea started the second half in the same manner that they finished the first, with Liverpool withholding the pressure on their penalty area.