49ers defense getting healthy in time for playoff game

FILE - In this Oct. 31, 2019, file photo, San Francisco 49ers linebacker Kwon Alexander (56) looks on during the first half of an NFL football game against the Arizona Cardinals, in Glendale, Ariz. Alexander has returned to practice for the San Francisco 49ers on Thursday, Jan. 2, 2020, for the first time since tearing his pectoral muscle midway through the season. The Niners opened up the three-week practice window for Alexander to be activated from injured reserve in the playoffs. (AP Photo/Rick Scuteri, File)

FILE - In this Aug. 17, 2019 file photo, San Francisco 49ers defensive coordinator Robert Saleh directs players during a combined NFL training camp with the Denver Broncos at the Broncos' headquarters in Englewood, Colo. The Cleveland Browns are meeting with Saleh about their coaching job. Saleh's defense dominated Cleveland in a game this season. Browns owner Jimmy Haslam and members of the team's search committee will interview Saleh on Saturday, Jan. 4, 2020.(AP Photo/David Zalubowski, File)