Bubba Watson shot a 3-under 67 on Friday to maintain a two-stroke lead after the second round of the PGA Tour's Travelers Championship in Cromwell, Conn.

After opening with a 62 on Thursday, Watson had three birdies in a bogey-free morning round to enter weekend play at 11 under par. The two-time Masters champion won the 2010 tournament for his first PGA Tour title.

Tom Watson atop Senior Open field

•Tom Watson shot a 1-under 69, finishing in a three-way tie for first after the second round of the U.S. Senior Open in Sacramento, Calif. Jeff Maggert (65) and Peter Fowler (65) also were 5 under.

Mi Jung Hur birdied her final five holes to reach 8 under and lead the LPGA's rain-hampered NW Arkansas Championship.

Pro football

Sam returns to Alouettes

Michael Sam is ready to resume his pro football career.

The Montreal Alouettes of the Canadian Football League said Sam is expected to attend team meetings Sunday before resuming practice Monday.

Gay, known for being the first openly gay player drafted by an NFL team, left the team during training camp without explanation.

NBA

Brook Lopez to be free agent

Brooklyn Nets center Brook Lopez opted out of the final year of his contract and will become a free agent.

Coming off a strong season in his return from injury, Lopez chose to bypass the $16.7 million he would have earned next season and will be able to talk to other teams on July 1.

Lopez averaged 17.2 points and 7.4 rebounds in 72 games last season.

AROUND THE HORN

Women's tennis: Caroline Wozniacki retired because of a back injury three games into her semifinal at the grass-court women's Nottingham Open in Eastbourne, England, handing 18-year-old Belinda Bencic a place in the final against former Wimbledon runner-up Agnieszka Radwanska. Radwanska beat Sloane Stephens 6-1, 6-7 (3), 6-2.

College football: Michigan senior defensive lineman Ondre Pipkins will leave the program, he confirmed. He said coach Jim Harbaugh repeatedly asked him to accept a medical scholarship and end his playing career because of a knee injury. Pipkins said he is healthy.

WNBA: The host Connecticut Sun won it seventh game in a row, beating Los Angeles 80-76 in overtime. The Sun is 7-1.

Auto racing: Simon Pagenaud took his second career IndyCar pole and teammate Helio Castroneves finished right behind him, giving Team Penske the top two spots in qualifying for the MAVTV 500 in Fontana, Calif.

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