Rep. Eric CantorEric CantorEric Cantor offering advice to end ‘immigration wars’ Trump's olive branch differs from the golden eras of bipartisanship After divisive rally, Trump calls for unity 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 Dean BluntThe Hill's Whip List: Republicans try again on ObamaCare repeal Another health funding cliff puts care for millions at risk Top Senate Dem: We're going forward with understanding we can work with White House on DACA 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 Andrew Boehner‘Lone wolf’ characterization of mass murderers is the epitome of white privilege Pelosi urges Ryan to create select committee on gun violence Ex-congressman Michael Grimm formally announces bid for old seat MORE (R-Ohio) has indicated he will again look to head up House Republicans' efforts in next year's Congress.

-Michael O'Brien