Add replacement level players to each roster
ffs_add_replacement_level(
rosters,
latest_rankings,
franchises,
lineup_constraints,
pos_filter = c("QB", "RB", "WR", "TE")
)a dataframe of rosters with replacements
a dataframe of rosters as created by ffs_rosters()
a dataframe of latest rankings as created by ff_latest_rankings()
a dataframe of franchises as created by ffs_franchises()
a dataframe of lineup constraints as created by ffs_starter_positions
a character vector of positions to filter to, defaults to c("QB","RB","WR","TE","K")