World records set at swimming meet

Japan’s Daiya Seto set a world record in the 200-meter butterfly and upset Chad le Clos at the world short-course swimming championships in Hangzhou, China.

Seto, who won bronze in the 400-meter individual medley at the 2016 Olympics, held off le Clos down the stretch to win in 1 minute, 48.24 seconds.

Le Clos, who held the previous mark of 1:48.56 set at a World Cup meet in Singapore in 2013, placed second. Le Clos holds six of the eight fastest times in the 200 fly, with Seto holding the other two.

The U.S. men’s 4x100-meter freestyle relay team also set a world record. Two-time Olympic gold medalist Caeleb Dressel, who set an American record on the first leg, Blake Pieroni, Michael Chadwick and Ryan Held had a time of 3 minutes, 03.03 seconds, beating the mark also held by the U.S. of 3:03.30 set in December 2009.

The American women’s team won gold in the same event. Olympic gold medalist Olivia Smoliga, Lia Neal, Mallory Comerford and Olympic gold medalist Kelsi Dahlia finished their relay in 3:27.78, ahead of Netherlands in 3:28.02 and China (3:30.92). College football: Boston College extended the contract of head coach Steve Addazio through 2022. Addazio led the Eagles to a 7-2 record and a No. 17 ranking in the Associated Press Top 25 before losing their last three regular-season games. They will play Boise State in the First Responder Bowl in Dallas on Dec. 26. Addazio is 51-49 in six seasons in Chestnut Hill. The Eagles are in a bowl game for the fifth time in his tenure.

Former Utah State head coach Gary Andersen has returned to the Aggies. He previously was Utah State’s coach from 2009 to 2012. He replaces Matt Wells, who had taken over the Aggies after Andersen’s first stint with the team. Wells became head coach at Texas Tech last month.

USC hired former Bowling Green head coach Mike Jinks as running backs coach and Chad Kauha’aha’a as defensive line coach.