Weekend in sport: FA Cup throws up surprises; NFL playoffs kick off; Champion Socceroos slump to shock defeat in Asian Cup

    Oldham Athletic keeper Daniel Ivarsen celebrates saving a penalty from Fulahms' Aleksandar Mitrovic during their FA Cup Third Round match at Craven Cottage.

    (CNN)Lower league sides indulge in some FA Cup giant killing... NFL postseason opens with wildcard weekend... Socceroo shock in the UAE... Warriors and Kings put on three-point show... Swiss duo tighten grip on Hopman Cup ahead of Australian Open. This is your weekend sporting roundup.

    Romance isn't dead in the FA Cup

    Barnet's David Tutonda leads the celebrations following his side's 1-0 victory over Sheffield United.
    The "romance of the cup" is a well-worn FA Cup cliche, but fans of Barnet, Oldham Athletic and Newport County are feeling the love as the three lower-league sides overcame fancied opposition -- Sheffield United, Fulham and Leicester respectively -- to advance to the fourth round of the football's oldest cup competition.
      Barnet -- currently languishing in 15th place in the National League, the fifth tier of English football -- provided arguably the shock of the day by beating Championship side United 1-0, courtesy