The poll also finds that Sanders matches up better with top Republican primary candidates than Clinton.
In head-to-head matchups the Vermont senator leads GOP front-runner Donald Trump by 10 points, edges Sen. Ted Cruz (R-Texas) by 4 points and ties Sen. Marco Rubio (R-Fla.).
While Clinton still tops Trump by 5 points, she ties Cruz and trails Rubio by 7 points.
-- Andy "It's a testament to ketchup that there can be no confusion."