Nishikori was injured in May and pulled out of the French Open. The 2014 U.S. Open runner-up from Japan returned earlier this month for a first-round loss in Cincinnati but said his back isn't healthy enough to play in New York.

Nishikori was ranked No. 4 in 2015, the highest by an Asian men’s player but has struggled with injuries in recent years and has fallen to No. 88.

Exercise can help to relieve pain by stretching and strengthening the muscles that support the back. For some, it can also improve your perception of the pain and reduce chronic stress. Still, studies suggest that one of the main reasons people with back pain don’t exercise is because they fear they will make their pain worse.

Matthew Stafford's back injury has been the biggest story of training camp for the Los Angeles Rams, and head coach Sean McVay didn't provide any official word regarding availability for the Sept. 7 opener against the Houston Texans even after the quarterback returned to practice Monday.

One day after Kenny Moore, Alec Pierce, and Bernhard Raimann returned to the practice field, the Indianapolis Colts got more good news on Wednesday. According to The Athletic's James Boyd, back on the practice field were Kwity Paye (groin), Jaylon Jones (hamstring), and JuJu Brents (hamstring).

The Chicago Bears signed free agent running back Royce Freeman. The Bears placed running back Deion Hankins on injured reserve with a knee injury. Freeman, a former third-round pick, has played for multiple NFL teams. Hankins was injured during the preseason game against the Buffalo Bills.

With one preseason game remaining, two linemen who could both see significant time in the game return to practice.

At practice today, Jordan Love continued to progress in drills following his surgery on his thumb last week, rookie wide receiver Matthew Golden's blazing speed was on display and backup kicker Mark McNamee had a bounce-back showing after a shaky preseason game.

Goals Wimbledon's owner described the USWNT forward as humble while using his five-a-side facility to regain fitness earlier this summer