San Francisco 49ers cornerback Tramaine Brock was arrested following a domestic incident, NBC Bay Area's Robert Handa reports.
Jail documents show Brock, who is listed as a starter on the 49ers' most recent depth chart, is in custody.
Brock made 59 tackles and one interception in 16 starts last season. The 28-year-old has one year left on his deal with the 49ers at a $3.1-million price tag.
