Reuters Sports News Summary

Following is a summary of current sports news briefs. Semenya to run in Doha as storm rages over new IAAF rules

Double Olympic champion Caster Semenya will run her last 800-metres on Friday before the International Association of Athletics Federations imposes hugely controversial new rules limiting testosterone in female athletes. Semenya, who has spent years trying to get the new IAAF regulations thrown out, will compete at the Diamond League meeting in Doha against 2016 Olympic silver medallist Francine Niyonsaba - who recently revealed she had similar difference in sexual development (DSD) characteristics to the South African. Bruins' Marchand shows no remorse for punch

A day after punching Columbus Blue Jackets defenseman Scott Harrington in the back of the head, Boston Bruins forward Brad Marchand didn't show any remorse for his actions. On Wednesday, he did admit the shot taken near the end of a 2-1 loss in Game 3 was "unnecessary," but called it "a reaction" to the Bruins' Jake DeBrusk getting bullied in front of the Columbus net, saying he wanted to defend his teammate. Option notebook: Titans decline Conklin, Bills decline Lawson

The Tennessee Titans will not pick up the fifth-year option of former All-Pro right tackle Jack Conklin, multiple outlets reported Wednesday. The option would have been worth nearly $13 million in 2020. Thursday is the deadline for teams to pick up fifth-year options -- which are guaranteed only in the event of injury -- for 2016 first-round picks. Golf: European Tour will return to Saudi Arabia - Commissioner

European Tour Commissioner Keith Pelley says the tour will play again in Saudi Arabia in 2020 and is "perplexed" at the criticism received for staging a tournament there for the first time in January. Following the murder of American-based Saudi journalist Jamal Khashoggi in the Saudi Embassy in Turkey in October, and the country's human rights record in general, some thought it inappropriate the European Tour staged a new tournament in the Middle East nation four months later. NFL notebook: Lynch eyes possible return after Crowell injury

Oakland Raiders running back Isaiah Crowell suffered a torn Achilles tendon on Tuesday and is out for the season, ESPN's Adam Schefter reported on Wednesday. Crowell, who signed a one-year contract valued up to $2.5 million in late March, will have surgery next week, Schefter said. Gimelstob says he will resign from ATP board after assault sentence

Former player Justin Gimelstob will step down from the ATP board of directors and will not seek re-election after being sentenced following a felony battery charge, the New York Times quoted him as saying on Wednesday. "I’m stepping down because my job is to work on the sport’s behalf and the players’ behalf and in my situation, I’ve become too much of a distraction and a liability,” Gimelstob said in a telephone interview with the Times from Spain. ASA may approach Swiss tribunal after Semenya's CAS setback

Athletics South Africa (ASA) is considering approaching the Swiss Federal Tribunal after the Court of Arbitration for Sport(CAS) dismissed Caster Semenya's appeal against regulations to limit naturally-occurring testosterone levels in athletes with differences of sexual development (DSDs). The national governing body for athletics was "deeply disappointed and profoundly shocked" as a CAS panel dismissed the appeal by double Olympic 800-metres champion Semenya against the implementation of the International Association of Athletics Federations (IAAF) regulations. MLB roundup: Indians' Kluber breaks arm in loss

Light-hitting Rosell Herrera went 2-for-4 with three RBIs on Wednesday, leading the host Miami Marlins to a 4-2 win over the Cleveland Indians, who lost right-hander Corey Kluber to a non-displaced fracture in his pitching forearm. Kluber, an All-Star in each of the past three seasons and a two-time American League Cy Young Award winner, left the game with two outs in the fifth inning after he was hit by a Brian Anderson line drive that was clocked at 102 mph. MLB notebook: Mets place reliever Familia on IL

Bothered by a sore right shoulder and some rough outings recently, New York Mets reliever Jeurys Familia was placed on the 10-day injury list Wednesday. Armed with a three-year, $30 million deal to rejoin the Mets in December, the 29-year-old right-hander let a two-run lead and a save opportunity slip away Tuesday night against the Cincinnati Reds. The Mets still prevailed, winning 4-3 in 10 innings. McIlroy celebrates 30th birthday at happy Quail hunting ground

Rory McIlroy is back in North Carolina at the site of his first PGA Tour victory, focused on winning the Wells Fargo Championship again, though with one eye turned towards the next two majors which are looming quickly in view. McIlroy is part of a strong field at Quail Hollow in Charlotte, joined by world number two Justin Rose and defending champion Jason Day for the PGA Tour event starting on Thursday.