Complex sentence: Following a high tackle from Lomax in 1996 which knocked 20-year-old Ritson out, an ensuing routine scan, it was discovered that Ritson had a life-threatening brain cyst from which he would never fully recover.
Split into simpler sentences: Following a high tackle from Lomax in 1996,20-year-old Ritson was knocked out. From an ensuing routine scan, it was discovered that Ritson had a life-threatening brain cyst from which he would never fully recover.