The sophomore struggled to move the second-team offense at the start of Friday's scrimmage, and he missed a considerable amount of snaps after injuring his right thumb.
Mallett appeared to injure his thumb when he hit it on a player's helmet while attempting a pass. He immediately ripped off his helmet in pain and didn't take another snap for the remainder of the scrimmage.
Arkansas athletic trainer Dean Weber examined Mallett's thumb, and when the two returned from a team training room, the sophomore's thumb was heavily wrapped.
"It's too bad Mallett hurt his thumb," Arkansas offensive coordinator Paul Petrino said, adding that he didn't get a good look at how Mallett hurt his thumb.
The former Michigan starter, who transferred to Arkansas in January, struggled with his accuracy before the injury. He finished the scrimmage 6-for-12 for 45 yards.
It's uncertain whether the injury will keep Mallett out of practice for an extended period of time. Arkansas coach Bobby Petrino didn't address the media after the scrimmage, and the university wouldn't reveal the extent of Mallett's injury.
Good Day For Robinson
Arkansas defensive end Antwain Robinson has had a difficult time over the past two years getting noticed in practice, but he made a good impression Friday evening.
Robinson repeatedly blew past the second-team offensive line to get to the quarterback. The defensive players weren't allowed to hit the quarterbacks during the scrimmage, but Robinson was still credited with at least four sacks.
"He obviously was around the quarterback quite a bit, whether that was the opponent he was going against or if he was doing the things we've asked him to do," Arkansas defensive coordinator Willy Robinson said.
"The thing is, he is starting to show it, that's something. For a while he's been kind of nonexistent."
Robinson has struggled with his consistency since recording 8 1/2 sacks in 2006, but the senior's performance Friday could serve as a promising start.
"These scrimmages are a lot different (than in years past)," Antwain Robinson said. "You can tackle everyone except the quarterback, and we're out there just beating on each other."
Smith Goes Down
Arkansas running back Michael Smith, who's vying for the starting job, was limited to just one carry for 6 yards because of an undisclosed injury.
Paul Petrino said the junior suffered the injury when he was hit during skeleton drills before the start of the scrimmage.
The extent of the injury is unknown.
Mallett Injures Thumb In Scrimmage
Hawgs Daily Top Stories
TCU vs Iowa State primerAfter falling in double-overtime to Arkansas, TCU looks to get back to their winning ways against Iowa State.
Horned Frog Insider09/15/2016
The Ultimate Midlands TeamThere is a lot of talent in the Midlands region, with a vast majority of the highest rated recruits playing high school football in the Lone Star State. Which prospects made the…
These rival helmet color swaps are revoltingSwapping rival teams' helmet colors? It shouldn't have been done, but someone did it anyway.
Post-July 2017 Top 100 Player RankingsWith the July evaluation periods, Nike Skills Academy, adidas Nations and Under Armour's Elite 24 over, Scout's basketball recruiting team has updated the 2017 top 100. DeAndre…