Under Armour recruiting highlights: Marlon Humphrey, Adoree' Jackson, Jalen Tabor, Cameron Robinson

Kirby Lee-USA TODAY Sports

Sunday was an action-packed day on the practice field for the Under Armour All-America Game, and I focused on the red team, with observations of the green team to come Monday afternoon.

Receivers and defensive backs

Here are some highlights from Team Highlight (red) between defensive backs and receivers. I had this to say Sunday about the group.

Team Highlight has several excellent receivers. Five-star Speedy Noil, of New Orleans (La.) Edna Karr, stood out as one of the top players with his speed and ability to make sharp cuts and leave defenders grasping. Travis Rudolph, of Palm Beach (Fla.) Cardinal Newman, was his usual smooth and sure-handed self, and made some nice catches against the excellent defensive backs on hand. Noil and Rudolph are uncommitted. Alabama commitment Cameron Sims, of Louisiana, impressed me a lot and was the surprise of the day. Sims is not a fast player, but he has excellent size and length, and huge hands. And he was an extremely natural ball catcher, never letting the ball get into his chest.

The defensive backs were equally good. Auburn commitment Stephen Roberts, of Opelika (Ala.) High School, who some believe will be a cornerback, showed great range at safety and could play early in college. And five-star cornerbacks Adoree' Jackson, (California, uncommitted), Marlon Humphrey (Alabama, uncommitted) and Jalen Tabor (Washington D.C., uncommitted) were impressive as well. Jackson has exceptional change of direction and speed, Humphrey is the best high school cornerback in the country with a blend of speed and physicality, and Tabor has exceptional strength for a corner, presenting a physical challenge to the receivers all day.

UA Game: Sunday WR/DB 1-on-1s from John Garcia Jr. on Vimeo.

Offensive and defensive line

Team Highlight also has some exceptional defensive linemen, about which I wrote Sunday.

Two offensive linemen really stood out to me Sunday: Alabama five-star tackle commitment Cameron Robinson, of West Monroe (La.) High School, and four-star tackle Casey Tucker, of Chandler (Ariz.) Hamilton High School. Robinson is perhaps the best recruit in the country and one of the best offensive line recruits in a long time. Tucker is not one of the top-25 offensive tackles in the country according to some experts -- an opinion I believe will change before the week is over. Tucker is primarily considering Stanford and Arizona State. I was also impressed by Alabama commitment Ross Pierschbacher, who is extremely athletic and tenacious.

The defensive line was also impressive. The man causing trouble on the inside was Andrew Brown, a five-star Virginia commitment of Chesapeake (Va.) Oscar Smith High School. Brown's length and quickness is much better than anything the opposing blockers have ever seen. I also came away very impressed with Myles Garrett, a five-star Texas A&M commitment at end from Arlington (Texas) James Martin High School. Garrett is bigger than I expected, and can be a 6'5, 265-pound terror off the edge in time. He even beat Robinson on a rep Sunday. Gerald Willis, teammate of Speedy Noil, was also quite impressive, and has college-ready size right now. Willis is uncommitted and is considering Florida and LSU.

UA Game: Sunday OL/DL 1-on-1s from John Garcia Jr. on Vimeo.

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