Democrat Dan Malloy has picked up 6-percentage points in a matchup with Republican Tom Foley in the latest Rasmussen poll and now leads, 44 percent to 35 percent.
Ramussen pitted the endorsed Democrat against the endorsed Republican, but both candidates face primaries. Rasmussen did not poll to test who was stronger in their respective primaries.
In other matchups, Malloy leads Lt. Gov. Michael C. Fedele, 42 percent to 38 percent.
Ned Lamont, the Democratic challenger, trails Foley, 38 percent to 36 percent, and leads Fedele, 43 percent to 34 percent.
Rasmussen did not break out a matchup for Republican Oz Griebel against either Democrat.