I hear what you are saying but I dont see that much of a decline in Witten this year.. In fact I have been laughing sometimes because he is even jukin out guys, or at least trying lol But he is 34 so I see a need soon.. Some stats from the past few years.. and he has 3 more games to go..
Year Team G Rec Yds Avg Yds/G Lng TD 20+ 40+ 1st FUM
2016
Dallas Cowboys 13 56 579 10.3 44.5 35 2 6 0 29 0
2015
Dallas Cowboys 16 77 713 9.3 44.6 35 3 4 0 36 1
2014
Dallas Cowboys 16 64 703 11.0 43.9 34 5 7 0 48 0
2013
Dallas Cowboys 16 73 851 11.7 53.2 34 8 13 0 44 0