Story byTodd Brock, Cowboys WireMon, January 19, 2026 at 8:40 PM UTC·2 min readTwo more Cowboys assistants are taking a temp assignment to coach some of the top collegiate talent in the country right before the pre-draft process begins for the entire league. David Overstreet II, the Cowboys' current cornerbacks and secondary coach, will serve as defensive coordinator for the National team in the 2026 Panini Senior Bowl, set to be played in Mobile, Ala. on Jan. 31. AdvertisementAdvertisementAdvertisementDefensive quality control assistant Tanzel Smart has also been tapped, to be the squad's defensive line coach. Both just finished their first year in Dallas.