Vikings linebacker Jason Glenn has retired, head coach Brad Childress said Tuesday. Originally, the Vikings said he was being placed on injured reserve, but he wanted to retire on his own terms, Childress said, due to a knee injury which he re-aggravated in training camp practice last week. Glenn had appeared to have secured a backup linebacker spot and was in line to be a key contributor on special teams this season, so his loss in not insignificant. His body wasn't responding the way he wanted it to, Childress said.
Running back Wendell Mathis, who spent most of last season on the team’s practice squad, was placed on the waived/injured list. Mathis had been unable to practice due to a back problem. The Vikings reached an injury settlement with him. The addition of Adrian Peterson had effectively limited his chances of making the team even if healthy this season.
Filling those two roster spots were the signing of linebackers George Hall and Cameron Siskowic.
Hall (6-0, 240, 4.69) was signed by the Vikings as an undrafted rookie free agent from Purdue this spring. He had participated in some of the minicamp and OTA activities earlier, so he has enough familiarity with the scheme to provide some reps in practice anyway.
Siskowic was the Gateway Conference defensive player of the year last season and led his Illinois State team in tackles the past two seasons. He had signed with the Cincinnati Bengals as an undrafted rookie free agent following the draft but was released earlier this month.
Siskowic is a Cover-2 style linebacker who lacks great size (6-1 ¾, 228) but offers good speed (4.58-4.67) and range. He showed some impressive workout numbers prior to the draft, with a 1.55 10-yard dash, 2.64 20-yard dash, 4.51 20-yard shuttle and 7.08 three-cone drill time. His vertical jump was 34 ½ inches and he broad-jumped 9’7” in workouts. He also put up a respectable 20 reps at 225 pounds in the bench press. He offers some raw tools as a Cover-2 linebacker prospect and could also contribute on special teams if he shows anything over the next three weeks.