Illini in the NFL: Vontae Davis suffers concussion in Week 2

Each week the Illini in the NFL update provides coverage on how former Illinois football players -- who ended their college careers with the Illini -- fared during the previous week.

Here's how former Illini players performed in Week 2:

Jeff Allen (OT, Chiefs) - Allen was sidelined again for the Chief's week 2 loss to the Broncos due to injury. Allen is still recovering from a knee injury suffered during a preseason game. He was listed as probable prior to the game.

Alan Ball (DB, Bears) - Ball made four tackles (3 solo, 1 assist) and one pass deflection in a 48-23 loss to Arizona.

Jeff Cumberland (TE, Jets) - For the second straight week, Cumberland started but did not record any stats.

Vontae Davis (CB, Colts) - Davis suffered a concussion in Monday night's game against the Jets and did not return. Prior to the injury, Davis allowed a touchdown to Eric Decker, the first score in his coverage since late in the 2013 season.

Michael Hoomanawanui (TE, Patriots) - Hoomanawanui played in the Patriots' 40-32 win against Buffalo, helping the offense roll up 507 total yards. He did not record any stats.

Corey Liuget (DT, Chargers) - Liuget had three tackles and assisted on two more against Cincinnati.

Whitney Mercilus (LB, Texans) - Mercilus had two tackles and three tackles by assist in a 24-17 loss to Carolina.

Akeem Spence (DT, Buccaneers) - Spence did not play in week two. He missed week one against the Titans for violating the league's policy program for substance abuse.

Hugh Thornton (OL, Colts) - Thornton played in the Colts loss to the Jets. He missed week one due to a knee sprain.

Tavon Wilson (FS, Patriots) - Wilson played in the Patriots' win over Buffalo, but did not record any stats. He missed week one with a quad injury.

Former Illini on Injured Reserve

John Asamoah (OL, Falcons) - Asamoah will miss the entire 2015 season with a hip injury. He started 15 games for the Falcons last season.

Arrelious Benn (WR, Jaguars) - Benn suffered a broken collarbone during the preseason and will miss the entire 2015 season.