Purdue's players finally figured out what Matt Painter wanted all season. Toughness. Defense. Big plays late in the game. The Boilermakers did it all Wednesday night, slowing the tempo with a strong defensive effort, finding enough scorers and rallying twice in the second half -- once to take the lead and finally to hold off frantically-charging Illinois -- in a 68-61 upset of the No. 11 Illini.