Green Bay Packers wide receiver Randall Cobb could miss part of training camp with a right ankle injury.Cobb was wearing a boot on his right foot at a golf outing over the weekend.NFL Network reported Monday the eight-year veteran is expected to be ready for Week 1 and might only be limited for a portion of training camp, which begins next month.The Packers are counting on Cobb to be the No. 2 receiver behind Davante Adams. Jordy Nelson was released in the offseason, and the Packers signed tight end Jimmy Graham. Cobb, 27, was on the field during minicamp and organized team activities. It is uncertain when the injury occurred.–The Atlanta Falcons signed safety Ron Parker to a one-year contract, the team announced.Parker spent the past five seasons with the Kansas City Chiefs. He had 67 tackles and two interceptions last season while starting all 16 games. The 30-year-old Parker started all but one of Kansas City’s 64 games over the past four regular seasons.”What drew me here is that I’ve seen it’s a great fit,” Parker told the team website of joining the Falcons. “They’ve got a great team — got great guys, all around: Special teams, defense, offense. I just think the organization fits my style.”–Dallas Cowboys quarterback Dak Prescott is switching agents, according to a Fort Worth Star-Telegram report, a year before he will be eligible to negotiate a contract extension.