The phrase "a player behind" is correct and usable in written English.
It can be used in contexts related to sports, gaming, or any situation where someone is positioned behind another player or participant.
Example: "In the final moments of the game, the coach noticed a player behind the defense, ready to make a crucial play."
Alternatives: "a competitor in the rear" or "a participant trailing".
Unlucky not to be a goal ahead, Liverpool found itself a player behind.
"One night, a fracas started in Detroit, and he went right to the Red Wings' bench, opened the door and chased a player behind the boards," Beliveau wrote in "Jean Beliveau: My Life in Hockey" (1994).
Some believed that the army, long a player behind the scenes, was still intent on seeking power but had not yet mustered the leverage to force Mr. Mubarak from office.
The humor, instead, is of another sort; in some furiously rendered interludes, Mr. Berigan takes on the aspect of a player behind a screened silent film, cranking up the tension when little Nell is tied to the railroad track.
In 1992, he resigned, ending his public political career, but he continued to be a player behind the scenes as deputy chairman of the Konrad Adenauer Stiftung, the Christian Democrat's political foundation.
It had four (2x2) big rectangular metal plates hung down from perhaps 2 or 3 meters high perpendicularly, and I saw a player behind it playing something like glockenspiel.
Charging a player from behind.
Even when Michael Owen was rattling in 40 goals for England, he seemed like an anachronism, a player left behind by football's evolution.
If a player gets behind the opposing teams safety line, they are safe.
Or you may have a player just behind the goalie hit the Boo passing through him, thus stopping the ball.
With an assistant punching a CD player behind him, Slick Rick simply rapped, raggedly and without his former louche, light-footed grace, over the original raps themselves, doubling the vocal track.
