Athlete health

FILE - In this April 21, 2018, file photo, Utah Jazz forward Derrick Favors (15) dunks against the Oklahoma City Thunder in the second half of Game 3 of an NBA basketball first-round playoff series, in Salt Lake City. Favors and the Jazz have come to terms on a two-year contract that could be worth up to $36 million, a person with knowledge of the negotiations told The Associated Press on Monday, July 2, 2018. The person spoke on condition of anonymity because the deal remains unsigned, with the NBA's offseason moratorium still in place. (AP Photo/Rick Bowmer, File)

New York Yankees' Aaron Hicks (31) hits a home run during the fourth inning of a baseball game against the Boston Red Sox, Sunday, July 1, 2018, in New York. (AP Photo/Frank Franklin II)

Croatia's Luka Modric reacts after he failed to score a penalty kick during the round of 16 match between Croatia and Denmark at the 2018 soccer World Cup in the Nizhny Novgorod Stadium, in Nizhny Novgorod , Russia, Sunday, July 1, 2018. (AP Photo/Martin Meissner)

Andy Murray of Britain sits during a practice session ahead of the Wimbledon Tennis Championships in London Saturday, June 30, 2018. (AP Photo/Ben Curtis)

Philadelphia Phillies starting pitcher Vince Velasquez throws during the first inning of the team's baseball game against the Washington Nationals, Saturday, June 30, 2018, in Philadelphia. (AP Photo/Laurence Kesterson)

Minnesota Twins' Brian Dozier has water from a cold wet towel squeezed onto his head during the seventh inning of a baseball game Chicago Cubs, Saturday, June 30, 2018, in Chicago. Temperatures at Wrigley Field climbed into the mid 90's with a heat index over 100 degrees. (AP Photo/Charles Rex Arbogast)

Andy Murray of Britain practices ahead of the Wimbledon Tennis Championships in London Saturday, June 30, 2018. (AP Photo/Ben Curtis)

Portugal's Cristiano Ronaldo helps injured Uruguay's Edinson Cavani walking out during the round of 16 match between Uruguay and Portugal at the 2018 soccer World Cup at the Fisht Stadium in Sochi, Russia, Saturday, June 30, 2018. (AP Photo/Francisco Seco)

FILE - In this April 3, 2018 file photo, San Jose Sharks' Logan Couture celebrates his goal with teammates during the first period of an NHL hockey game against the Dallas Stars in San Jose, Calif. Couture has agreed to a $64 million, eight-year contract extension with the Sharks. A person familiar with the deal says the sides reached agreement on the deal Saturday, June 30. (AP Photo/Marcio Jose Sanchez, File)

FILE - In this June 18, 2018, file photo, New York Mets starting pitcher Jacob deGrom throws against the Colorado Rockies during the first inning of a baseball game, in Denver. With the Mets sinking fast toward the bottom of the National League standings, baseball operations were turned over Tuesday, June 26, to a trio of Sandy Alderson's assistants as the 70-year-old general manager made the stunning announcement that he was stepping down because his cancer has returned. (AP Photo/Jack Dempsey, File)