or 5 spots ...dependant on KR having plan b and plan c systems?...... plus theres the option of impact subs for the last 30 mins or so of certain matches depending on opposition?
Browne/Whyte are unproven at this level and make excellent impact players with their pace.
Mackie has signed a game-time related contract which suggests he's not 100% fit, probably brought in as a general attacking option who will have a positive influence on the whole team.
Hall can force his way in, but we shouldn't be relying on him week-in, week-out given his injury record.