Rep. Eric CantorEric CantorPaul replaces Cruz as GOP agitator GOP shifting on immigration Breitbart’s influence grows inside White House MORE (R-Va.) will run for House Minority Whip in the next Congress, a source close to the lawmaker told The Hill Wednesday.

Cantor, Republicans' Chief Deputy Whip in the House, will challenge Rep. Roy BluntRoy BluntTop Dems prep for future while out of the spotlight Overnight Healthcare: Pressure mounts for changes to GOP ObamaCare bill Pressure mounts for changes to ObamaCare bill MORE (R-Mo.) for the position.

The shake-up marks the beginning of a reshuffling of House Republican leadership after last night's losses to Democrats in congressional districts throughout the country.

Rep. Adam Putnam (R-Fla.) announced his retirement as head of the House Republican Conference. Rep. Jeb Hensarling (R-Tex.), Chairman of the conservative Republican Study Committee, is expected to seek Putnam's position, the third-ranking position in the GOP caucus.

House Minority Leader John BoehnerJohn BoehnerGOP rushes to vote without knowing full impact of healthcare plan Dem senator to reintroduce ‘buy American’ legislation GOP senators offer bill to require spending cuts with debt-limit hikes MORE (R-Ohio) has indicated he will again look to head up House Republicans' efforts in next year's Congress.

-Michael O'Brien