The average opposition team point differential by position.
opponent_ranks(leagueId = ffl_id())
Numeric league ID or ESPN fantasy page URL. Defaults to
getOption("fflr.leagueId")
. Function fails if no ID is found.
A data frame of team performance against position.
opponent_ranks()
#> # A tibble: 0 × 1
#> # ℹ 1 variable: opponentProTeam <fct>