Crossword puzzle clue "players without fixed positions"

Players without fixed positions

Long-distance service with fixed rates for fixed zones

Bridge players' positions

Players' positions?

Answer to the riddle "What has rivers without water, forests without trees, and cities without houses?"

Like MP3 players, not CD players

Some AL players, but not NL players

Artist and chess player who said "While all artists are not chess players, all chess players are artists"