He was selected by the San Diego Chargers in the third round of the 2002 NFL draft and later played for the Minnesota Vikings.
The year later, he was an All-America third-team selection by the Associated Press, a consensus All-Big 12 Conference first-team choice, and a team captain.
In his second season, Leber started every game at strong side linebacker for the Chargers, notching 75 tackles, 3 sacks, 1 pass defensed, and 1 forced fumble.
In his third year, he was an every-game starter for the Chargers, finishing the season with 58 tackles, 2 sacks, and 1 fumble recovery.
In 2008, Leber again played the full season, recording 64 tackles, a career-low 1.5 sacks, and 2 interceptions.
[4] Leber was born in Council Bluffs, Iowa and raised in Vermillion, South Dakota.
He also broadcasts on KFAN and Co-Hosts Twin Cities Live on ABC affiliate KSTP.