“Greenlaw (fifth round, 2019), Williams (undrafted, 2014) and Jones (sixth round, 2017) weren’t highly regarded due in part to their measurements. NFL teams typically have minimum requirements for height, weight, length and speed because history shows that prospects who fail to meet those thresholds don’t succeed in the league.

Dwelley appeared in every game for the Falcons last season and caught one pass for five yards in 105 offensive snaps. He also had one tackle on special teams. In his first 49ers s

The San Francisco 49ers signed tight end Ross Dwelley to a one-year contract on Friday, bringing back the former special teams player who spent his first six NFL seasons with the team.