The weights are in for the grudge match on Saturday night at the in the Motorpoint Arena in Sheffield. Undefeated Kell Brook (30-0, 20KOs) weighed in at 146.1-pounds, while former WBA welterweight world champion Vyacheslav Senchenko (34-1, 23KOs) was a bit heavier at 146.75. Brook wants to pay Senchenko back for derailing the comeback plans of Ricky Hatton in 2012. Senchenko knocked Hatton out with a hard hook to the body that sent the popular boxer from Manchester down for the full count.