clean_team_abbrs: Standardize MLB Team Abbreviations
Description
This function standardizes MLB team abbreviations to Baseball Savant defaults.
This helps for joins and plotting
Usage
clean_team_abbrs(abbr, keep_non_matches = TRUE)
Value
A character vector with the length of abbr and cleaned team abbreviations
if they are included in team_data. Non matches may be replaced
with NA (depending on the value of keep_non_matches).