For me it has to be Dalton Schultz.
I did not think he was bad by any means before this year, but when he had a chance to play in previous seasons, it always seemed like he was just a placeholder for the next tight-end draft pick, especially with the emergence of Blake Jarwin.
Schultz has made some really good plays as a receiver this season, but what has really surprised me is his blocking ability.
He has done a great job of not only blocking at the line but also blocking down field to help extend plays.
We all noticed that Jason Witten had lost a step in his last few years here, but the biggest change was the decline in his blocking skills during the 2017 season before he temporarily retired, and when he came back in 2019, they were not any better.
Seeing what Schultz has done this year both receiving and especially with blocking, it just reinforces the idea that you need to give the younger players more time on the field to really see what you have with them.
Which player has performed better than you expected?