Packers rookie aderan Cooper has impressed his teammates with his speed and intelligence during the offseason program the second round pick is expected to bring crucial elements to Green Bay's linebacking core Quay Walker a teammate praise Cooper for his ability to get downhill play aggressively and fly around the field during mini camp in June to Cooper's performance has been regarded as showing flashes of talent and potential in the team despite being a rookie Cooper is encouraged to keep learning and growing as a player additionally Cooper has showcased his speed by tying for the third fastest 40 yard dash time among linebackers as the Packers rookies prepare to report to training camp Cooper's early impact and potential contributions are being closely monitored by the team