Richard Joseph Seigler is the current defensive line assistant coach of the Portland State Vikings college football team and former NCAA All-American and NFL Linebacker. He was drafted out of Oregon State University in 2004 by the San Francisco 49ers. In November 2005, he was acquired by the Pittsburgh Steelers, playing with them during their Super Bowl XL winning season. He finished up his playing years with the Toronto Argonauts of the CFL before moving on to his coaching career. Seigler played under the tutelage of National Championship Head Coach Dennis Erickson and Mike Riley in the college ranks. In the NFL, he played under Super Bowl Championship coaches Mike Tomlin and Bill Cowher.