https://www.basketball-reference.com/play-index/pcm_finder.fcgi?request=1&sum=0&player_id1_hint=Russell+Westbrook&player_id1_select=Russell+Westbrook&y1=2017&player_id1=westbru01&idx=players&player_id2_hint=James+Harden&player_id2_select=James+Harden&y2=2019&player_id2=hardeja01&idx=playerswhy is Harden's season better?