Complex sentence: He fractured a metatarsal in a 3--0 win against Southport in November 2013, which kept him out of the team for three months due to injury, by which point he had been replaced in central defence by Fraser Franks.
Split into simpler sentences: He fractured a metatarsal in a 3--0 win against Southport in November 2013, which sidelined him for three months. By the time Lacey had recovered, he had been replaced in central defence by Fraser Franks.