Wiktionary
play in
vb. 1 (context cricket reflexive play oneself in English) Of a batsman, to settle and become comfortable with the conditions at the beginning of his innings. 2 (context soccer transitive English) To pass (someone) the ball into an attacking position.
Usage examples of "play in".
One day, as I passed by, two nuns and some children came out of the building to play in the yard.