Poll: Kasich edges Trump in Ohio
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Ohio Gov. John Kasich holds a slight edge over GOP presidential front-runner Donald TrumpDonald TrumpLive coverage: Senators grill Trump's Treasury pick Trump makes Agriculture chief's selection official Dem senator: DeVos ‘sends shivers down the spine’ MORE in Kasich’s home state ahead of voting on Tuesday, according to a new poll.

Kasich leads Trump by 6 points, 39 to 33 percent, in the Buckeye State in an NBC News/Wall Street Journal/Marist poll released early Sunday. Texas Sen. Ted CruzTed CruzCaitlyn Jenner to attend Trump inauguration: report Trump’s UN pick threads needle on Russia, NATO Haley slams United Nations, echoing Trump MORE follows with 19 percent, and Florida Sen. Marco RubioMarco RubioTop Dem: Don’t bring Tillerson floor vote if he doesn’t pass committee Booker to vote against Tillerson Rubio wades into Trump-Lewis feud MORE has 6 percent.

Kasich did not fare as well in another poll released Sunday morning, which showed the Ohio governor and Trump in a tie with 33 percent support apiece.

Trump holds a nearly 2-to-1 lead in Florida, with 43 percent support in the NBC/Wall Street Journal/Marist survey. Rubio is in second place in his home state with 22 percent. Cruz then has 21 percent, and Kasich has 9 percent.

Trump tops Cruz in Illinois by 9 points, pollsters found, with 34 percent support. Cruz has 25 percent, Kasich has 21 percent and Rubio has 16 percent. 

The NBC News/Wall Street Journal/Marist poll of likely Republican voters has a 4.1 percent margin of error in Ohio, a 4.3 percent margin of error in Florida and a 4.8 percent margin of error in Illinois.

Kasich leads Trump by 2 points in Ohio, according to a RealClearPolitics average of polls, while Trump tops his closest challenger by 18 points in Florida and 9 points in Illinois.

--This report was updated at 12:43 p.m.