data-mm-id=”_yr8mgnx0q”>Conor McGregor returns to the UFC on Saturday night at UFC 257 following his latest long layoff. If "The Notorious" wants to prove he's still an elite mixed martial artist, this latest comeback fight needs to be his best.Last January, McGregor returned from a two-year layoff at UFC 246 and proceeded to dismantle and dominate Donald Cerrone, scoring a TKO win in 40 seconds. The Irishman claimed he wanted to fight multiple times in 2020, with potentially three or even four fights set to take place. The COVID-19 pandemic derailed those plans and instead he's been sidelined ever since. This isn't the first time McGregor has had to deal with a long break. After TKO-ing Eddie Alvarez at UFC 205 in November 2016 to become the first fighter to s…