The San Francisco 49ers today announced they have signed LB LaRoy Reynolds to a one-year deal. The team also confirmed the signing of former Rice running back Austin Walter. To get back to a 90-man roster, the 49ers waived defensive lineman Ryan Delaire in a corresponding move. Delaire was originally signed to the 49ers practice squad on September 26, 2018 and was promoted to San Francisco’s active roster on October 6, 2018. He appeared in one game prior to being waived on October 15. Delaire re-signed to the team’s practice squad on October 17 and was promoted to the active roster on December 29, 2018.