Vobora is a 2004 graduate of Churchill High School in Eugene, and was the team captain as a junior and senior and played linebacker, quarterback, and running back.

In 45 games at Idaho, Vobora started 33 and ranks sixth in school history with 341 tackles (209 solo), including three sacks, 28 stops for losses.

As a junior in 2006, he was first-team All-WAC after leading the Vandals with 134 tackles (101 solo, 33 assists) and 15.5 tackles-for-loss and four passes defensed, two sacks, two forced fumbles, two quarterback hurries and one interception.

After final cuts on August 30, Vobora and Kansas City's Ryan Succop were the only Mr. Irrelevants to make the roster of the team that drafted them in the 2000s.

[2] His stay on the roster lasted only one game, as he was waived two days after the season opener to make room for Eddie Kennison on September 9, moved to the Rams' practice squad.

[3] Vobora remained on the Rams' practice squad until November 4, when he was promoted to the active roster after wide receivers Drew Bennett and Dante Hall were placed on injured reserve.

Vobora's agent, Marc Lillibridge, conceded "(The supplement) was not on the list of officially sanctioned products, and ultimately a player is responsible for anything he puts in his body.