KEY POINTS
  • Democrat Phil Bredesen has a slight edge over Republican Marsha Blackburn in a tight Tennessee Senate race, according to an NBC News/Marist poll. 
  • The two candidates compete to replace Sen. Bob Corker, a Republican who declined to seek a third term. 
  • Bredesen, a former governor, is well liked in the state, according to the survey. 
  • Tennessee is one of the best pickup opportunities for Senate Democrats this year. 
Rep. Marsha Blackburn, R-Tenn., speaks at a summit on the opioid crisis, Aug. 24, 2018, in Nashville, Tenn.

Democrat Phil Bredesen holds a slight edge over Republican Marsha Blackburn in his bid to flip a GOP-held Senate seat in Tennessee, according to a new poll released Thursday.

Bredesen garners 48 percent of support among likely voters, compared with 46 percent for Blackburn. Five percent of likely voters responded that they are undecided. The Democratic former Tennessee governor's edge over the GOP representative falls within the poll's margin of error.