Our 2018 draft panel series rolls on with a look at some of the top offensive linemen in this year's class. The San Francisco 49ers are likely still in the market for both depth at tackle and guard. Joe Staley and Trent Brown project to be the team's starting tackles in 2018, but it could never hurt to start grooming Staley's heir. Brown will also be a free agent following next season.

San Francisco added Jonathan Cooper into the mix at guard earlier this offseason. He'll compete against Joshua Garnett, Laken Tomlinson, Erik Magnuson and Zane Beadles for one of the two starting spots.

Notre Dame's Quenton Nelson is the unanimous choice for the best offensive lineman in the 2018 NFL Draft. Our esteemed panel of analysts is here to evaluate who's next in line.

Dane Brugler, NFL Draft Scout: Isaiah Wynn, G, Georgia

"Wynn started 15 games at left tackle for the SEC champs last year. He's going to move inside in the NFL. I think he has the chance to be a Pro Bowl guard. He has balance. He's tough. He's a plug-and-play first-year starter. I don't think he lasts outside the top 25 in the draft."

Matt Bowen, ESPN: Will Hernandez, G, UTEP

"I'm going to say Will Hernandez. The negative on him are the measurables. But I think he's a guy who literally moves people off the ball, especially on the interior. He's physical, he's nasty and he's tough at the point of attack. I think he's an excellent run blocker, and I think he's strong enough in pass protection. He has the strength to limit the bull rush from a defensive tackle or a nose tackle. I loved watching him at the Senior Bowl. That's a guy I'd want in my offensive line room."

Matt Miller, Bleacher Report: Connor Williams, T, Texas

"I'm going to go with Connor Williams. I know I'm a Texas homer, but I've also been watching this guy for three years. I think people have been way too hard on him. His worst game ever as an offensive tackle was against Maryland. He came back strong after injury and looked really good against West Virginia. He's an athlete, and we saw that at the combine where he tested very well. He's also intelligent and coachable. Those are two things you can rely on."

Rob Rang, NFL Draft Scout: Will Hernandez, G, UTEP

"Will Hernandez from UTEP. He's a guy who shows that guards are important to the NFL. I expect him to be selected in the first round. He's physically built the way you want interior linemen to be built – short, broad and incredibly strong. He's very aggressive, durable and consistent. He will be a plug-and-play left guard for an NFL team."

Daniel Jeremiah, NFL.com: Isaiah Wynn, G, Georgia

"Isaiah Wynn from Georgia. We didn't get to see him workout at the combine because he's coming off of a shoulder injury, but he's a guy I loved on tape. He was great down at the Senior Bowl. There's also a kid out of Nevada, Austin Corbett. He did a great job at the combine working out. He played tackle, but he's going to kick inside to guard (in the NFL). He's probably in that second-round range. Billy Price is another. Unfortunately, he hurt himself in the bench press, but he's a really good player who can play center or guard."