Breunig attended Alhambra High School in Phoenix, Arizona, where he played on the 1967 freshman football A Team that was 10-0 and he was named most valuable player.
Bob played on the varsity football team in 1968 as a sophomore and was a leading tackler in a number of games.
Breunig signed with Arizona State University out of Phoenix Alhambra High School and became a starter by his second year (NCAA football freshmen were then ineligible), leading the team in tackles with 91 (incl.
[2] He was a part of two 10-win seasons, a 28–8 overall record, two Fiesta Bowl wins, and the 1972 and 1973 Western Athletic Conference championships.
[4] In 1977, he replaced the retired Lee Roy Jordan as the team's middle linebacker and defensive signal caller,[5] making him just the third player in franchise history (25 yrs) to hold the position as a regular starter.
Breunig started 117 straight games, until missing half of the 1984 season because of back problems that led to his retirement.
He ended his career as the franchise's second-leading tackler (behind Jordan) with 1,016 stops, having played in ten seasons, appearing in 20 playoff games, six NFC championships and three Super Bowls.
Bob was named the Dallas Father of the Year in 2006 and has been recognized for a number of other civic initiatives and has served on Several Charitable Boards through the years including Fellowship of Christian Athletes, The Urban Alternative, Young Life, Arizona State University Board of Trustees, National Search Ministries, Liberty Institute, Happy Hill Farm Children's Home and Fellowship Bible Church Dallas (Elder).