Some of the sports stories The Associated Press is covering Friday. A full Sports Digest will be sent at about 3 p.m. All times EDT:

- KAZAN, Russia - Little sister upsets big sister and everyone else in the 100-meter freestyle at the world championships. Australia's Bronte Campbell wins the gold, with Cate Campbell taking the bronze.

- SAN ANTONIO - Michael Phelps will try to send a message when he swims in his first event at the U.S. national championships. Phelps was banned from the world championships because of a second DUI arrest.

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- CANTON, Ohio - Pittsburgh Steelers running back Jerome Bettis is among eight men entering the Pro Football Hall of Fame on Saturday. Among the group is Junior Seau, a suicide three years ago.

- HAMBURG, N.Y. - Chicago Blackhawks star Patrick Kane is under police investigation over something that may have happened at his offseason home last weekend.

- MINNEAPOLIS - The University of Minnesota's athletic director says he's resigning after sending inappropriate texts. Norwood Teague has been on the job three years.

- SANTA CLARA, Calif. - San Francisco 49ers linebacker Aldon Smith is arrested and accused of hit and run, vandalism and drunken driving.

- AKRON, Ohio - Danny Lee is in front going into the second round of the Bridgestone Invitational. Graeme McDowell and Jim Furyk are one stroke behind, with Jordan Spieth and Zach Johnson five back.

- PITTSBURGH - In a showdown between two of baseball's best pitchers, Dodgers left-hander Clayton Kershaw faces the Pirates' Gerrit Cole in a game between NL playoff contenders. Game starts 7:05 p.m.

- OAKLAND, Calif. - A matchup of All-Star aces pits Dallas Keuchel of the AL West-leading Houston Astros against the Oakland Athletics' Sonny Gray. Game starts 10:05 p.m.

- NEW YORK - The first-place Yankees, 4 1/2 games ahead of the surging Blue Jays, play Toronto in the first of 13 remaining games this season between the AL East rivals. Game starts 7:05 p.m.

- WATKINS GLEN, N.Y. - Jeff Gordon's farewell tour takes him this weekend to Watkins Glen International, where he won his first road course race in Sprint Cup competition in 1997.

- WASHINGTON - Marin Cilic and Kei Nishikori can set up a rematch of last year's U.S. Open title match by winning quarterfinals at the Citi Open.

- NEW YORK - Coaches, players and game officials will be allowed to examine video on the sideline during preseason games. And there's a chance they will be able to do so in the regular season by 2016.