Sen. Bob Casey Robert (Bob) Patrick CaseySecond GOP senator to quarantine after exposure to coronavirus GAO report finds brokers offered false info on coverage for pre-existing conditions Catholic group launches .7M campaign against Biden targeting swing-state voters MORE Jr. (D) holds a double-digit lead over his GOP challenger, Rep. Lou Barletta Louis (Lou) James BarlettaBottom Line Ex-GOP congressman to lead group to protect Italian products from tariffs Head of Pennsylvania GOP resigns over alleged explicit texts MORE, in the Pennsylvania Senate race, according to a new Franklin & Marshall College poll.

The poll, released Thursday, shows Casey with the support of 44 percent of registered Pennsylvania voters, while Barletta has 27 percent.

Forty-two percent of respondents also gave Casey an “excellent” or “good” job ranking.

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President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE endorsed Barletta, who was an early supporter of Trump’s 2016 presidential bid, earlier this year.

The poll also shows Gov. Tom Wolf (D) with a similar double-digit lead over his GOP challenger, former state Sen. Scott Wagner.

Forty-eight percent of registered voters in the poll favored Wolf, compared to 29 percent who back Wagner.

Incumbent Democratic senators in other states have also fared well in recent polls.

Sen. Sherrod Brown Sherrod Campbell BrownHarris faces pivotal moment with Supreme Court battle Remote work poses state tax challenges Senate Democrats release report alleging Trump admin undermined fair housing policies MORE (D-Ohio) holds a 17-point lead over Rep. Jim Renacci James (Jim) B. RenacciOhio is suddenly a 2020 battleground Democrats fear Ohio slipping further away in 2020 Medicare for All won't deliver what Democrats promise MORE (R-Ohio) in a Quinnipiac University poll released Wednesday.

And Sen. Tim Kaine Timothy (Tim) Michael KaineDemocrats call for declassifying election threats after briefing by Trump officials Buttigieg stands in as Pence for Harris's debate practice Trump meets with potential Supreme Court pick Amy Coney Barrett at White House MORE (D-Va.) held an 11-point lead in a match-up against GOP candidate Corey Stewart in a Roanoke College poll released last week. That poll was held ahead of the Virginia Senate primaries, during which Stewart secured the Republican nomination.

The National Republican Senatorial Committee said Wednesday that it did not plan to endorse Stewart, a controversial candidate with ties to white nationalists, in the race.

Franklin & Marshall College interviewed 472 Pennsylvania registered voters from June 4 to 10. The poll has a margin of error of 6.5 percentage points.