The Dallas Cowboys have signed Pro Bowl offensive tackle Tyron Smith to an eight-year extension through 2023, making the total value of his contract worth nearly $110 million, according to multiple sources.    

Washington Redskins quarterback Robert Griffin III says he’s not a zone read option quarterback and doesn’t plan on running it much this season.    

Three initial bids were submitted Tuesday to an investment bank handling the sale of the Buffalo Bills, the Toronto Sun reported.    

The WTA says Sabine Lisicki has hit the fastest serve in the history of the women’s tennis tour, reaching 131 mph (211 kph).    

As chairman of the finance committee, Texans owner Bob McNair’s opinion will impact any team’s move. With the Raiders reportedly considering a move to San Antonio, Texas, he said Tuesday he is withholding judgment until he knows all the facts.    

In one of their craziest scouting experiences, the Minnesota Twins have reached a deal with a 24-year-old pitcher who has thrown 100 mile per hour fastballs in a California summer league but has never been drafted.    

New York Giants running back David Wilson underwent a battery of tests on his neck Tuesday night and will not practice until at least next week.    

The NBA is pushing toward changes to the draft lottery system by next season but is facing a strong objection from the Philadelphia 76ers, the franchise that could suffer the most from it, multiple sources told ESPN.com.    

The Los Angeles Dodgers announced Tuesday night that Hall of Fame broadcaster Vin Scully will return for his 66th season in 2015.    

Catcher John Baker scored the winning run in the bottom of the 16th inning after pitching a scoreless top half, and the Chicago Cubs overcame a three-run deficit to beat the Colorado Rockies 4-3 on Tuesday night.