Racing PositionsOakland Raiders trim 13 players, including Kenbrell Thompkins6YBill WilliamsonRB Richardson officially released by Raiders6YBill WilliamsonRaiders' receivers start fast at camp6YBill WilliamsonWhittling Raiders roster to 53 not that easy6YBill Williamson2015 Oakland Raiders training camp preview6YBill WilliamsonOakland Raiders 53-man roster projection6YBill WilliamsonOakland Raiders starting lineup projection6YBill WilliamsonRaiders' players ranking, 51-55: Josh Harper's chance6YBill WilliamsonKeith McGill gets more first-team work than DJ Hayden at CB6YBill WilliamsonOakland Raiders make several transactions, add WR Kris Durham6YBill Williamson