Senate Majority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellMcConnell: Trump's troop pull back in Syria a 'grave strategic mistake' Overnight Defense — Presented by Boeing — Trump insists Turkey wants cease-fire | Fighting continues in Syrian town | Pentagon chief headed to Mideast | Mattis responds to criticism from Trump TSA head rules himself out for top DHS job   MORE (R-Ky.) said Tuesday that he's optimistic that Republicans can maintain control of the upper chamber in the 2018 midterm elections, adding that the GOP has a "pretty good map." 

"We do have a pretty good map," McConnell told Fox News.

"Twenty-five Democrats are up in '18 and only 10 Republicans," he noted. 

"The Democrats had a good map last year. We're optimistic we can keep the majority," McConnell added, noting key battleground states such as Florida and Nevada will be essential to maintaining control of the Senate. 

ADVERTISEMENT

"If we hold Arizona and Nevada and pick up some of these others we'll have a majority for two more years," McConnell said. 

Arizona has become a focal point of the upcoming midterms after Sen. Jeff FlakeJeffrey (Jeff) Lane FlakeTrump's GOP impeachment firewall holds strong How to survive an impeachment Are Senate Republicans certain that Trump can return to office? MORE (R), an outspoken critic of President TrumpDonald John TrumpFlorida GOP lawmaker says he's 'thinking' about impeachment Democrats introduce 'THUG Act' to block funding for G-7 at Trump resort Kurdish group PKK pens open letter rebuking Trump's comparison to ISIS MORE, announced he would not seek reelection. Two Republican Trump supporters, pardoned former Sheriff Joe Arpaio and former state Sen. Kelli Ward, are running for his seat, as is Democratic Rep. Kyrsten Sinema. 

Sen. Dean HellerDean Arthur HellerThis week: Barr back in hot seat over Mueller report Trump suggests Heller lost reelection bid because he was 'hostile' during 2016 presidential campaign Trump picks ex-oil lobbyist David Bernhardt for Interior secretary MORE (R) of Nevada, meanwhile, faces a tough primary race against Danny Tarkanian, and a possible general election challenger in Rep. Jacky RosenJacklyn (Jacky) Sheryl RosenHillicon Valley: Trump seeks review of Pentagon cloud-computing contract | FTC weighs updating kids' internet privacy rules | Schumer calls for FaceApp probe | Report says states need more money to secure elections Senators introduce legislation to boost cyber defense training in high school Key endorsements: A who's who in early states MORE (D) in the state where Hillary ClintonHillary Diane Rodham ClintonState cites 38 people for violations in Clinton email review Trump campaign to hold rallies in Mississippi, Kentucky Biden struggles to reverse fall MORE managed a narrow win in 2016.