The Ravens will hold 17 free and open training camp practices, the team announced Friday, highlighted by a July 30 session at M&T Bank Stadium. The Ravens’ first full-team practice will be held July 27, and fans can attend training camp through Aug. 17. Post-practice autograph sessions for children ages 6 to 14 will be held after each practice. The 16 practices at the Under Armour Performance Center in Owings Mills will be limited to about 1,000 fans per day.