San Francisco 49ers head coach Dick Nolan during a 17-20 loss to the Dallas Cowboys on August 17, 1969 at Kezar Stadium in San Francisco, California. (Photo by Darryl Norenberg/NFL)

San Francisco 49ers head coach Dick Nolan watching nervously from the sidelines in the 49ers 17-10 loss to the Dallas Cowboys in the 1970 NFC Championship Game on 1/3/1971 at Kezar Stadium in San Francisco, California. (Photo by George Long/NFL)

San Francisco head coach Dick Nolan in 1970. (Photo by NFL)

San Francisco 49ers head coach Dick Nolan on the sidelines of a 31-7 loss to the Los Angeles Rams on October 8, 1972 at Los Angeles Memorial Coliseum. (Photo by George Long/NFL)

San Francisco 49ers head coach Dick Nolan on the sidelines in a 24-20 win over the Washington Redskins at Candlestick Park in San Francisco, California on December 26, 1971. (Photo by George Long/NFL)

Former 49er head coach Dick Nolan, father of current head coach Mike Nolan, watches practice during the San Francisco 49ers mini-camp May 8th, 2005 in Santa Clara, California. (Photo by John Medina/NFL)

San Francisco 49ers quarterback John Brodie (12) talks with head coach Dick Nolan during a 20-6 victory over the Los Angeles Rams on October 11, 1970, at the Los Angeles Memorial Coliseum, in Los Angeles, California. (Photo by Darryl Norenberg/NFL)

New Orleans Saints head coach Dick Nolan in 1979. (Photo by NFL)