ALLEN PARK, MI - MAY 03: Caleb Campbell #47 of the Detroit Lions does a drill during rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - MAY 03: Head coach Rod Marinelli of the Detroit Lions looks on during rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - MAY 03: Gosder Cherilus #77 of the Detroit Lions does a drill behind Jawad Nesheiwat #83 during rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - MAY 03: Caleb Campbell #47 of the Detroit Lions catches a pass during rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - MAY 03: Head coach Rod Marinelli of the Detroit Lions works with Landon Cohen #98 and Andre Fluellen #96 during rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - MAY 03: Head coach Rod Marinelli of the Detroit Lions looks on during rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - MAY 03: General view of players during rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - MAY 03: Caleb Campbell #47 of the Detroit Lions puts on his helmet during rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - MAY 03: Gosder Cherilus #77 of the Detroit Lions looks on during rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - MAY 03: Caleb Campbell #47 of the Detroit Lions stretches prior to rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - MAY 03: Caleb Campbell #47 of the Detroit Lions stretches prior to rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - MAY 03: Jordon Dizon #57 of the Detroit Lions stretches prior to rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - MAY 03: Caleb Campbell #47 of the Detroit Lions catches a pass during rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - MAY 03: Kevin Smith #34 of the Detroit Lions looks on with Rodney Kenlaw #35 during rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - MAY 03: Caleb Campbell #47 of the Detroit Lions looks on during rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)

ALLEN PARK, MI - MAY 03: Gosder Cherilus #77 of the Detroit Lions looks on during rookie training camp at the Detroit Lions Headquarters and Training Facility on May 3, 2008 in Allen Park, Michigan. (Photo by Gregory Shamus/Getty Images)