Ex-PGA champ Day leads Wells by 1 shot

Three years and 364 days since his last win, former PGA champion Jason Day describes himself as “obsessed” with honing his new swing and improving his results, even if he never gets back to No. 1 in the world.

There wasn’t much need for improvement Thursday as Day shot a 7-under 63 to take the first-round lead at the Wells Fargo Championship.

Joel Dahmen was a shot back on what could be the best day for scoring at TPC Potomac outside of Washington, with rain, wind and unseasonably cool temperatures in the forecast through Sunday.

College football: Former Florida starting QB Emory Jones committed to transfer to Arizona State.

NBA: The Clippers and F Robert Covington, 31, agreed to a two-year, $24 million contract extension, ESPN reported.

NFL: The Chargers signed 31-year-old LB Kyle Van Noy to a free-agent deal.

NHL: Aleksander Barkov and Carter Verhaeghe each had a goal and an assist, and the host Panthers topped the Capitals 5-1 to even first-round playoff series at 1-1. Sergei Bobrovsky made 26 saves for the Panthers, the top overall seed in the Stanley Cup playoffs . ... Artemi Panarin and Frank Vatrano each had a goal and two assists and the Rangers beat the visiting Penguins 5-2 to even the first-round series at 1-1. Igor Shesterkin made 39 saves two nights after stopping 79 shots in a triple-OT loss in Game 1 . ... G Antti Raanta’s status for Game 3 of the Hurricanes’ first-round series against the Bruins on Friday was unclear a day after he exited a Game 2 victory following a collision with Bruins F David Pastrnak.

Tennis: Rafael Nadal saved four match points before outlasting David Goffin 6-3, 5-7, 7-6 (9) to reach the quarterfinals at the Madrid Open. Earlier, Andy Murray withdrew from his scheduled match against Novak Djokovic because of a stomach illness.