By Doug Vazquez,SI Betting Staff Best bets and analysis for Saturday’s UFC Fight Night card, headlined by heavy favorite Jamahal Hill fighting Thiago Santos. The UFC returns to its home at the Apex in Las Vegas following an amazing card last weekend at UFC 277. The main event features two light heavyweights getting the Octagon doors locked behind them in a scheduled five-round fight. UFC veteran Thiago Santos will attempt to keep his top-10 ranking when he battles rising star Jamahal Hill. Santos has held his own against Jon Jones and some of the other division mainstays, but is just 1-2 in hi…