Complex sentence: In a match against Adelaide United at Hindmarsh Stadium in which he was controversially given a straight red card he sustained 5 week knee injury, Although he reterned to the bench in the 3rd game against Adelaide United in their 2-0 loss at the Adelaide Oval.
Split into simpler sentences: In a match against Adelaide United at Hindmarsh Stadium in which he was controversially given a straight red card he sustained 5 week knee injury. However, he returned to the bench in the 3rd game against Adelaide United in their 2--0 loss at the Adelaide Oval.