With Pro Bowl tackle Trent Williams in the midst of a holdout, the Redskins are seeking to fill a major hole -- at least temporarily -- by bringing in free agent Donald Penn for a visit.

Penn, 36, has spent his last five seasons with the Oakland Raiders but only played four games in 2018 due to a groin injury that landed him on IR. 

A 12-year NFL veteran, Penn has earned three Pro Bowl selections: two with Oakland (2016, 2017) and one with Tampa (2010).

Washington pondering the addition of Penn shows there's a legit concern about the depth at tackle.