But that is relatively rare, and would not impact the ratings significantly with the once-every-four-years World Cup being the possible exception.
In general, most viewers want the additional color, player statistics and such.
There are many videos of the Maradona World Cup '86 "mano de dios" goal. The one with the most views is the narrated one in Spanish for Argentine TV because it conveys the most emotion about that most famous (and controversial) of goals.
Boxing, though, is a good example of where there might be sizable crossover viewing. But free TV boxing events are becoming fewer and fewer it seems.