ALAMEDA -- Notre Dame running back George Atkinson III, The son of the former Raiders defensive back signed shortly after the draft ended on Saturday night. He made the decision official via his Twitter account.
He is a big, speedy rusher didn't carry the ball much with the Irish, but his kickoff return experience that could prove valuable to the Raiders, who never found a return threat in 2013.
The Raiders already have 82 players on the 90-man roster, so they may not be adding many college free agents.
Here’s a look at undrafted rookies who have agreed to terms. This list will be updated as players are signed:
FB Karl Williams, Utah: The 5-foot-11, 244-pound fullback is a solid blocker with good straight-ahead speed. His agent, David Canter, announced the signing. He can shed blocks well, though his athleticism is at times lacking. He could be a special teams standout.
WR Mike Davis, Texas: Davis signed with the Raiders, who believe good competition may improve their receiver corps. At 6-feet and 197 pounds, Davis has good athleticism and can make acrobatic catches, though he is inconsistent securing the football. He played well against the country's best college cornerback, though scouts say he loafs at times. He doesn't have breakaway speed, but could be a factor for a roster spot.
TE Scott Simonson, Assumption College: The 6-foot-5, 249 pound tight end confirmed he signed with the Raiders through his personal Twitter account.
DE Austin Flynn, Arkansas: Flynn confirmed his signed via his personal Twitter account. is a large, quick pass rusher with some character concerns. He transferred from Arkansas in early 2013 and did not play last season. He was arrested on suspicion of DUI in Feb. 2013.
WR D.J. Coles, Virginia Tech: At 6-3 and 225 pounds, Coles is an imposing force who blocks well in the run game. He announced his signing through Twitter. While he is good at finding soft spots in zone coverage and is a often a size mismatch on the outside, his history of knee injuries severely hurt his draft stock.
WR Noel Grigsby, San Jose State: Grigsby only played two games in 2013 due to a knee injury .Grigsby set a school record for receiving yards, and was a draft-worthy prospect prior to his injury.
TE Jake Murphy, Utah: Murphy is a solid receiver with good hands, though he needs to refine his route running. He has the size required to be an NFL tight end, though he is a 25-year old rookie. He is the son of former MLB star Dale Murphy.
OT Danny Kistler, Montana: At 6-foot-7 and 318 pounds, Kistler has the size required to play at the professional level. Scouts say he doesn't use his lower body for power, and that he's better suited to play right tackle.
Carlos Fields, Winston-Salem State: A talented, fast athlete who pursues the ball well, though he must prove himself capable of success at the professional level after playing at a Division II school.
Check back with the undrafted free-agent tracker for more signings, which will be added as they are confirmed.