Republican Florida Sen. Marco Rubio is in a dead heat in a hypothetical general election matchup with Democratic front-runner Rep. Patrick Murphy, The Hill reports.
Rubio and Murphy are tied at 43 percent according to the News 13/Bay News 9 poll.
Eight percent of respondents were undecided.
But Rubio holds a strong lead for the GOP nomination, with 63 percent saying they favor him over three other candidates, each polling at 11 percent or less.
Murphy leads his closest rival in the Democratic primary 30 percent to 21 percent, and 35 percent of Democratic voters say they still are undecided.
Rubio, a first-term senator, initially declined to run for re-election, instead throwing his hat into the GOP presidential contest. After dropping out of the race when he lost his home state to eventual presumptive nominee Donald Trump, Rubio said he would become a private citizen. After a meeting with his family, Rubio was convinced to re-enter the race.
His friend, Todd Wilcox, dropped out of the race to back him.
The poll was conducted June 25-27, and the GOP sampling had a 4.1 percent margin of error.
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