A new Quinnipiac poll finds now early favorites in the open-seat race for Pennsylvania governor, with most candidates unknown to state voters. On the Democratic side, Allegheny County Executive Dan Onorato and state Auditor Dan Wagner have a slight lead over Philadelphia businessman Tom Knox.

Democratic Primary Election Matchup
Onorato 16
Wagner 16
Knox 13
Don't Know 54

State Attorney General Tom Corbett does have a double-digit lead over Rep. Jim Gerlach, who is vacating a competitive Philadelphia-based Congressional seat.

Republican Primary Election Matchup
Corbett 38
Gerlach 15
Meehan 9
Don't Know 37

In a generic matchup, 38 percent of voters said they'd pick the Republican candidate, while 37 percent would pick the Democrat. Independent voters backed the Republican by a 32-23 percent margin.

Favorability Ratings
Gerlach 16 / 6
Onorato 16 / 6
Wagner 18 / 4
Knox 10 / 4
Corbett 38 / 6
Meehan 12 / 3

Outgoing Gov. Ed Rendell (D) has seen his approval rating sink to its lowest level, with 39 percent approving and 53 percent disapproving. His approval dropped from 54 points just two months ago. Fifty-seven percent of voters say they are dissatisfied with the direction of the state.

The survey of 1,173 voters was conducted from July 14 - 19, and had a margin of error of +/- 2.9 percent. The GOP subsample of 511 voters had a margin of error of +/- 4.3 percent, as did the Dem subsample of 512 voters.