The 2011 season was the Detroit Lions' best in over a decade. They went 10-6, made the playoffs and shattered every team passing record along the way. For those reasons it's understandable that the Lions made very few personnel moves this offseason. They returned 21 of 22 starters.
Like the old saying goes, "If it ain't broke, don't fix it."
With that said, there is always room for improvement. Even though the Lions didn't make any flashy free-agent signings, there are some starters who are in danger of losing their top spot on the depth chart.
Reasons for this vary. It could be a hot-shot rookie who has impressed so far in camp, or maybe a starter has simply performed poorly.
Whatever the reason, here are five such players who, as of today, don't deserve to start.