https://www.nytimes.com/interactive/2019/05/21/us/elections/results-pennsylvania-elections.html
Thanks for the link.
So far, Keller(with 70% of the vote) is outperforming the 2018 election result....
Pennsylvania’s 12th Congressional District, election 2018
Tom Marino (R) 66% 161,047
Marc Friedenberg (D) 34% 82,825