Former Speaker of the House John BoehnerJohn BoehnerOvernight Finance: Puerto Rico bill clears panel | IRS chief vows to finish term | Bill would require nominees to release tax returns Overnight Defense: Pentagon chief fears sequestration's return GOP senator: Reid's 'ramblings' are 'bitter, vulgar, incoherent' MORE endorsed Ohio Gov. John Kasich on Saturday, Cincinnati.com reports.
"He's my friend," Boehner reportedly said.
Ohio holds its winner-take-all primary on Tuesday. Kasich has said that he will drop out if he doesn't win his home state, and is still polling behind front-runner Donald TrumpDonald TrumpTrump aide: 'Hillary is the one who’s got a gender gap' Trump aide: Picking a woman or minority as VP would be 'pandering' Trump adviser: He will 'soften' on Muslim ban MORE, although the margin has narrowed. The latest Real Clear Politics average puts Trump ahead by just 2.5 percentage points.