Marcio Jose Sanchez, AP
Detroit Lions outside linebacker Kyle Van Noy (95) tackles Oakland Raiders wide receiver Rod Streater (80) during the second quarter of an NFL preseason football game in Oakland, Calif., Friday, Aug. 15, 2014.

Former BYU linebacker Kyle Van Noy will miss the first half of his rookie season.

The Detroit Lions placed Van Noy on injured reserve with a designation to return, or short-term IR, the team announced Tuesday. Van Noy underwent core muscle surgery last week; according to the Detroit Free Press, recovery time from a sports-hernia surgery like the one he had is four to six weeks.

Players on this list can return to practice after Week 6, but must wait until Week 9 to play in a game. The Lions have a bye that week, meaning the earliest Van Noy could play is against Miami on Nov. 9 in Detroit.

Van Noy, a second-round pick this season by the Lions, was a strong contender to start at strongside linebacker for Detroit. Tajir Whitehead will start for the Lions at SAM linebacker to begin the season.

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Van Noy, who had two tackles and a pass deflection during the preseason, will now have to wait to play alongside fellow ex-BYU defender Ezekiel Ansah, a starter on the Lions' defensive line.

It's the same path that another former Cougar, Baltimore Ravens tight end Dennis Pitta, took last season. The Ravens placed Pitta on the short-term IR after he injured his hip early on in training camp. Pitta returned near the end of the 2013 season, playing four games and registering 20 catches for 169 yards and a touchdown.

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