Running Backs
Eddie Lacy (SEA) has decreased his touchdowns in each of his 4 seasons in the NFL. Last year he had 0, so the only way he can go is up!
Latavius Murray (MIN) had at least one target in each game last season.
LeGarrette Blount (PHI) had 34 TD in 49 games with the Patriots. He has 15 TD in 51 games with other teams.
Wide Receivers
Jeremy Maclin (BAL) has only played 16 games in 2 of his 7 seasons. He also only has 2 seasons of 1000 receiving yards but has yet to reach 90 catches.
Desean Jackson (TB) has 14 games in his 9 year career in which he had 5 or less catches but 100+ receiving yards. That includes Week 13 2010 when he had 4 catches for 210 yards.
Eric Decker (TEN) has double digit TD in 3 of his 6 "full" seasons. Prior to last season (injuries), Decker averaged 81.5 catches on 126 targets for 1085 yards and 10 TD.
Pierre Garcon (SF) has at least 100 targets in 6 of 7 seasons. The one season he was under he only played 10 games. Only over 1000 yards twice.
Tight Ends
Martellus Bennett (GB) has at least 55 catches, and has played in all 16 games each of his first seasons playing on a new team (3 times).