Complex sentence: Football has possibly overtaken muay Thai's position as most widely viewed and liked sport in contemporary Thai society and it is not uncommon to see Thais cheering their favourite English Premier League teams on television and walking around in replica kit.
Split into simpler sentences: Football has possibly overtaken muay Thai as the most widely followed sport in contemporary Thai society. It is not uncommon to see Thais cheering their favourite English Premier League teams on television and walking around in replica kit.