KEY POINTS
  • Democrats Bill Nelson and Andrew Gillum lead in the Florida Senate and gubernatorial races, respectively, according to an NBC News/Marist poll.
  • Nelson hopes to beat back a challenge by Republican Gov. Rick Scott, while Gillum is running against Trump supporter Ron DeSantis, a former congressman.
  • The swing state plays host to multiple critical races in Tuesday's midterm elections as Democrats try to flip control of both chambers of Congress and several governor's offices.
Florida Democratic gubernatorial candidate Andrew Gillum speaks during a debate in Tampa, Florida, October 21, 2018. 

Democrats hold slim leads in Florida's pivotal statewide races in the final push to Tuesday's midterm elections, a poll released Monday found.

In a Senate race that will help to determine control of the chamber, incumbent Democrat Bill Nelson leads Republican Gov. Rick Scott by 4 percentage points, according to the NBC News/Marist survey. The Democrat garners 50 percent of support among likely voters, versus 46 percent for his GOP challenger. Four percent are undecided.