49ers linebackers coach Johnny Holland announced in August that he has been involved in a lengthy battle with cancer and was taking some time away from football.
"In September of 2019, I was diagnosed with multiple myeloma and have gone through several rounds of remission and relapse," Holland said via a statement issued by the 49ers. "Unfortunately, the cancer has returned and, beginning on September 6th, I will take some time away from the team to receive treatment. In sharing the details of my diagnosis, my desire is that I can be an advocate and beacon of hope for those who are battling cancer to help remind them that we're all in this together."
Holland joined Shanahan's staff in February of 2017, shortly after the 49ers hired Shanahan to be the team's head coach.
Matt Barrows of The Athletic notes that Holland has been on hand for this week's practices. The 49ers are preparing to travel to Lumen Field to play the Seattle Seahawks on Sunday.
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