Skiers Jessie Diggins (from left), Kikkan Randall and Sadie Bjornsen finish practice. During the summer, they ski on Eagle Glacier to prepare for competition. It's one of the few places where skiers can train on snow during the summer. Annie Feidt/Alaska Public Radio Network hide caption

itoggle caption Annie Feidt/Alaska Public Radio Network

She-Ca-Go's Leona Cochran attempts to block Jo Cahill's shot during the team's game against the Colorado Combos at the National Senior Games in Cleveland on Monday. Benjamin Morris for NPR hide caption

itoggle caption Benjamin Morris for NPR

Detroit Tigers shortstop Jhonny Peralta bats during the sixth inning against the Washington Nationals on Tuesday. Detroit fans watching game had the option of tuning in to a broadcast that lacked announcers, featuring only the sounds from the stadium. Carlos Osorio/AP hide caption

itoggle caption Carlos Osorio/AP

Super Bowl volunteer Ben Schreiber distributes fan guides to any of the thousands of people who may need them while visiting Indianapolis for Super Bowl XLVI festivities, in 2012. Chad Ryan/CSM /Landov hide caption

itoggle caption Chad Ryan/CSM /Landov

Hazel Trexler-Campbell throws spray-painted horseshoes during the Senior Games in Cleveland on July 23. Benjamin Morris for NPR hide caption

itoggle caption Benjamin Morris for NPR

Members of the U.S. national team, including Michael Parkhurst (#15) and Landon Donovan (#10) celebrate with Brek Shea, right after Shea scored the game-winning goal against Panama in Sunday's CONCACAF Gold Cup final. Jonathan Daniel/Getty Images hide caption

itoggle caption Jonathan Daniel/Getty Images