Incumbent Republican leads two possible Democratic challengers by double digits

♦By Rich Shumate, Chickenfriedpolitics.com editor

GAINESVILLE, Florida (CFP) — Less than a month after parachuting into Florida’s U.S. Senate race, Republican incumbent Marco Rubio has opened up a commanding lead over both of his likely Democratic opponents, according to a new poll.

U.S. Senator Marco Rubio

A Quinniapiac University poll found that Rubio leads Democratic U.S. Rep. Patrick Murphy by 13 points, 50 percent to 37 percent. He held nearly the same lead over Democratic U.S. Rep. Alan Grayson, 50 percent to 38 percent. The poll of 1,015 Florida voters had a margin of error of plus or minus 3.1 percentage points.

The poll found that Rubio’s only remaining major Republican challenger, businessman Carlos Beruff, was tied with Grayson and trailed Murphy by 6 points, illustrating that at this point, Rubio is a far stronger general election candidate.

The poll did not test how Rubio and Beruff stand with GOP voters ahead of the Aug. 30 primary.

For months, Rubio insisted that he would retire from the Senate after his campaign for the Republican presidential nomination proved unsuccessful, But, under pressure from party leaders concerned about losing the seat to a Democrat, Rubio changed course and filed to run for re-election.

In the wake of that decision, three Republicans who had been fighting for the Senate seat — U.S. Reps. Ron DeSantis and David Jolly and Lieutenant Governor Carlos López-Cantera — ended their campaigns, leaving Beruff as Rubio’s only hurdle to the Republican nomination.