Complex sentence: However, he was then overlooked for six years afterwards and played almost all of his matches for Australia in the late 1980s and early' 90s, and overall could be considered unlucky not to have played more than 12 Tests over his long career.
Split into simpler sentences: However, he was then overlooked for six years afterwards and played almost all of his matches for Australia in the late 1980s and early' 90s. He could be considered unlucky not to have played more than 12 Tests over his long career.