Depends how you analyse the stats though doesn't it?
Parker out-landed Joshua 52 to 46 in power punches (thats six punches over 12 rounds), but his accuracy was only 30% compared to 40% for Joshua. He was also out-jabbed by 93 to 49 and again was less accurate than Joshua (15.5% to 34.4%).
If you think that constitutes a draw then that's fine. I don't think out-landing your opponent by six power punches is enough to claim you've earned a draw. Boxers should be scored on effective aggression, not just flinging in hundreds of punches that don't land.