text: which sport features in the film tin cup?   good morning to you!  golf  roy mcavoy is a failed pro golfer who lives in a winnebago at a crummy driving range which he owns in the west texas town of salome. one day, a beautiful woman, dr. molly griswold, appears at his driving range for golf lessons. she turns out to be the new girlfriend of mcavoy's longtime nemesis, the smarmy pga superstar david simms. molly inspires roy to start taking himself seriously again, and he decides to try to qualify for the us open.  golfers would know that the famous line " gimme a ball" comes from this movie.  tin cup is a 1996 romantic comedy starring kevin costner and rene russo, with major supporting roles by cheech marin and don johnson.  cast kevin costner as roy 'tin cup' mcavoy  rene russo as dr. molly griswold  don johnson as david simms  cheech marin as romeo posar  linda hart as doreen   directed by ron shelton  produced by gary foster  written by john norville ron shelton  distributed by warner bros.  release date(s) 16 august 1996 (usa)  running time 135 min.  language english  budget ~ us$45,000,000