So says Pro Football Focus:

For the first time during his five-year NFL career, Ertz finished inside the top five in 2017, at third at the position. The numbers he had last year were nearly identical to his previous two seasons except for touchdowns. He scored a career-high eight times last year after scoring just four times in 2016 and twice the season before that.

Over his past three campaigns Ertz has averaged 103 targets, 75.7 receptions, and 831 receiving yards. After years of teasing fantasy owners with his potential, things finally came together for the 27-year-old. With the Eagles’ offense flying high for the foreseeable future, Ertz will remain a highly coveted fantasy asset:

https://www.profootballfocus.com/news/fantasy-football-the-candidates-to-be-2018s-no-1-fantasy-tight-end