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SWIMMING • Michael Phelps won the 100-meter butterfly at the Bulldog Grand Slam in Athens, Ga., on Friday, easily beating rival Ryan Lochte. Phelps touched with an impressive time of 51.67 seconds, the third-fastest time in the world this year. Lochte was a distant second in 53.08.

This is the final tuneup for Phelps and Lochte before next month's national championships in Irvine, California. Both are in the midst of comebacks — Phelps returning to the pool after retiring, Lochte coming back from a knee injury that has limited him to only one other meet this season.

Results from the national championships and the Pan Pacific Championships, which will be held in Australia later in August, will determine the U.S. team for the 2015 world championships.

Sock, Hewitt reach Newport semifinals

tennis • Seventh-seeded American Jack Sock and third-seeded Australian Lleyton Hewitt advanced to the semifinals at the Hall of Fame Tennis Championships Friday in Newport, R.I. The 21-year old Sock, fresh off a doubles title at Wimbledon with Canadian Vasek Pospisil, defeated top-seeded and two-time Newport champion John Isner 6-4, 7-6 (4). The 33-year old Hewitt beat American Steve Johnson 6-4, 6-4.

The other semifinal is second-seeded Ivo Karlovic of Croatia against Samuel Groth of Australia. Both advanced on Thursday.

Colts release WR Brazill, sign rookie

NFL • The Indianapolis Colts waived backup receiver LaVon Brazill, one week after he was suspended for the 2014 season by the NFL for violating its substance-abuse policy. Brazill played in 10 games last season, finishing with 12 catches for 161 yards and two touchdowns. The Colts on Friday also signed free agent wide receiver Aaron Burks, a rookie from Boise State.

Columbus extends Dubinsky's contract

NHL • The Columbus Blue Jackets signed center Brandon Dubinsky to a six-year contract extension worth a reported $35.1 million through the 2020-21 season. The 28-year-old Dubinsky has scored 18 goals with 52 assists in 105 games the past two seasons.

• The Tampa Bay Lightning have signed free agent forward Brenden Morrow to a one-year contract. Morrow had 13 goals and 25 points in 71 games with St. Louis last season.

From wire reports