SWANSEA, WALES - DECEMBER 20:  Swansea players appeal to referee Lee Mason after James Collins (ground) of West Ham appeared to handle the shot from Ki Sung-Yeung of Swansea City during the Barclays Premier League match between Swansea City and West Ham United at the Liberty Stadium on December 20, 2015 in Swansea, Wales.  (Photo by Stu Forster/Getty Images)