In hypothetical general-election matchups in the Keystone State, Clinton leads Trump by 15 points among registered voters, 54 percent to 39 percent, and Cruz by 11 points, 52 percent to 41 percent.

But Clinton trails Kasich, 48 percent to 45 percent.

Sanders, meanwhile, is ahead of Trump by 20 points (57 percent to 37 percent), Cruz by 22 points (58 percent to 36 percent) and Kasich by six points (50 percent to 44 percent).