Lions' center job is still up for grabs in training camp (and it should be)

Tate Ratledge, the rookie guard taken by the Detroit Lions with their second round pick back this year, has been immediately thrust into a competition for a starting job with Detroit. That competition only exists because of Frank Ragnow's sudden retirement from the NFL. As a result of the teams' best IOL leaving, they've had to hope that Ratledge can pick up on NFL speed quickly in training camp as he's gotten quite a few reps at the center position this spring and summer. However, that doesn't necessarily mean he's the man for the job. The team, maybe not intentionally, has filled their depth chart at IOL with versatile guards who have experience with flipping over to center throughout their respective careers. Trystan Colon, who was signed by the Lions this offseason, has played both positions. So has Graham Glasgow. The latter between those two has begun to get some time at center over Ratledge, after some speculation that Ratledge's sticking at that position in the early days of training camp meant that