Crawford (hamstring) was brought in for a tryout with the 49ers on Thursday, Aaron Wilson of KPRC 2 Houston reports.
Crawford played on special teams during the first few weeks of last season with the Seahawks, totaling three tackles over six appearances. The 27-year-old will hope to catch on in San Francisco after also logging time with the Texans, Dolphins, Bears and Jaguars following his selection by Houston in the sixth round of the 2019 NFL Draft.