annotate_pitch          Adds soccer pitch markings as a layer for use
                        in a ggplot plot.
direction_label         Adds an arrow indicating the direction of play
                        to a ggplot plot
goals_box               Goals markings
make_pitch_tracab       Create Tracab dimensions object from pitch
                        length and width
pitch_opta              Pitch dimensions
rescale_coordinates     Rescale x-y coordinates
theme_pitch             Removes background and axes details from a
                        ggplot plot.
