Seahawks claim former 49ers long snapper off waivers

The Seattle Seahawks claimed former San Francisco 49ers long-snapper Kyle Nelson off waivers and released wide receiver Charly Martin on Thursday. Nelson is the second long-snapper Seattle has brought in this offseason to compete with incumbent Clint Gresham. Gresham has been very consistent for Seattle in his first three seasons but signed a $1.323 million…