The Golden State Warriors came into Game 4 of the Western Conference Finals looking to finish off a sweep over the Houston Rockets. A scary incident in the second quarter brought much greater concerns to the franchise and the NBA as a whole. [ Follow Dunks Don't Lie on Tumblr: The best slams from all of basketball] With 5:52 remaining in the second quarter, Warriors superstar and NBA MVP Stephen Curry jumped to challenge a forthcoming lay-up attempt from Rockets wing Trevor Ariza. However, Ariza stayed on the floor, causing Curry to fall on his back and then to the floor at an odd angle. Curry could not get his hands out to break his fall and appeared to hit his head on the hardwood. He stayed down for several minutes as medical staff brought out a stretcher, but Curry was thankfully able to walk off under his own power despite appearing quite dazed. You can watch video of the incident here: ESPN's Doris Burke later reported that Curry had been diagnosed with a head contusion and declared questionable to return. Curry's injury came with the Rockets up 55-36 after a dominant 45-point first quarter. He has been the best player in the series, if not the entire postseason, and scored...