Cowboys need more from Taco Charlton, but rookie class has some hits

First-round pick Taco Charlton has yet to record a sack, but the Cowboys will continue to give him opportunities to develop. Daniel Gluskoter/Icon Sportswire

Here’s a look at the first-half impact of the Dallas Cowboys' draft class:

Taco Charlton, DE, first round: He finally picked up his first sack of the season against the Kansas City Chiefs and he hopes that opens the dam in the second half. The Cowboys have been able to rush the passer effectively without him making much of an impact, but they need more. The Cowboys will give him snaps as the season progresses to show what he can do. Grade: Below average

Chidobe Awuzie, DB, second round: A hamstring strain has limited his effectiveness for most of the season. After a strong summer, the Cowboys wanted to use him in their subpackages, but he hasn’t been able to stay healthy. He could become a full-time safety when he gets back on the field. Grade: Incomplete

Jourdan Lewis, CB, third round: Lewis was not able to practice much in the summer due to a hamstring injury, but he showed quickly that he was not afraid of the big stage. He played so well that the Cowboys decided to part ways with veteran Nolan Carroll. Lewis has natural ball skills and has one of the Cowboys’ three interceptions on the season. He could become a starter in the base defense soon. Grade: Above average

Ryan Switzer, WR, fourth round: He was drafted because of his return ability, but Switzer's decision-making has been spotty at times. He has also yet to break a big return in either the punt or kickoff game. Switzer was always going to be limited in his role offensively, due to the receiving targets ahead of him on the depth chart. The Cowboys need him to have a greater influence on field position. Grade: Average

Xavier Woods, S, sixth round: In the past few weeks, he has moved into the subpackages and been part of a rotation of safeties. The Cowboys believe he has the skills to make plays on the ball and has really good awareness. Woods needs to shore up his tackling to earn more trust from the coaches, but he can see plays develop quickly. Grade: Average

Marquez White, CB, sixth round: White showed flashes in the summer and in preseason, but he was among the Cowboys' final roster cuts. He has spent the regular season on the practice squad. Unless there are injuries, he will likely spend the entire season on the practice squad, with an eye to a bigger role in 2018. Grade: Incomplete

Noah Brown, WR, seventh round: He has done a nice job mostly in a blocking role offensively. Brown is a big body and is willing to take on defenders, if necessary. He made one of the key blocks on an Ezekiel Elliott touchdown catch. Brown needs to improve his technique as a receiver, but he has raw skills worth developing. Grade: Average