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Back in 2014, the then-St. Louis Rams made Auburn tackle Greg Robinson the No. 2 overall pick in the draft. Robinson was considered a prototypical left tackle, with great size, length and excellent athletic testing at the NFL Combine. He was also coming off a selection to the All-SEC first team. 

Three years later, Robinson has reportedly been traded to the Lions in exchange for a sixth-round pick. 

After three seasons' worth of inconsistent play at left guard and left tackle, Robinson had fallen behind on the depth chart, and with a new regime in place for the now-Los Angeles Rams, the team brass owed no loyalty to a failed pick of the former front office. 

Robinson is the third in a string of recent No. 2 picks that have not exactly worked out as planned, for one reason or another. 

He now gets a chance to start over in Detroit, where the Lions are in need of tackle depth after an injury to their starter Taylor Decker. But he's not the only former early-round draft pick the Lions are bringing into the fold. They're also adding former Bills tackle Cyrus Kouandijo.

Kouandijo was a second-round pick in 2014, but never really moved into the starting lineup for the Bills on anything resembling a regular basis. In late April, he was found by police in a field, partially clothed, having hopped an electric fence. When found, Kouandjio reportedly asked police to shoot him. The Bills released him a month later.