The Las Vegas Raiders announced they signed 17 undrafted free agents on Friday. The full list includes: QB Jacob Clark LS Tyler Duzansky RB Roman Hemby T Isaiah Jatta S Devin Lafayette TE Matt Lauter K Kansei Matsuzawa CB Caleb Offord G Justin Pickett WR Chase Roberts WR Corey Rucker DE Cian Slone DT Gary Smith III LB Xavian Sorey Jr.
