The Associated Press called the race for Republican David McCormick when Casey was trailing him by about 30,000 votes.

After days of the race being too close to call, the Associated Press named Republican Dave McCormick the winner in the race ...

Republican Dave McCormick, an Army veteran and former hedge fund CEO, has unseated three-term Democratic incumbent Bob Casey ...

Republican David McCormick has won Pennsylvania’s pivotal U.S. Senate seat, beating three-term Democratic Sen. Bob Casey.

Republican Dave McCormick was projected to defeat Sen. Bob Casey (D-Pa.), denying him a fourth term in an upset that signals ...

Republican Dave McCormick appeared to win a major upset in Pennsylvania, beating three-term incumbent Bob Casey. The victory ...

Republican U.S. Senate candidate Dave McCormick on Thursday appeared to declare victory in his race against Democratic ...

The tide for McCormick on election night began to change around 10:15 p.m., with his numbers continuing to increase as the night went on. .@DaveMcCormickPA did not declare himself the winner in the ...

Republican Dave McCormick has unseated Sen. Bob Casey, winning a Pennsylvania U.S. Senate seat that Casey has held for nearly ...

With McCormick's victory, Republicans have expanded their Senate majority in the next Congress to 53 seats, with two races ...

Vulnerable Pennsylvania Democratic Sen. Bob Casey seems fine with voters casting ballots for third-party foes — so long as they don’t vote for GOP rival Dave McCormick, a new ad suggests.

UPDATE: The Associated Press has projected Dave McCormick will win, however, the Casey campaign noted there are thousands of ballots left to count. (WHTM) – U.S. Senator Bob Casey’s campaign said ...