Keenan Allen, who was traded away by a Chargers team desperate to get under the salary cap, returns to the team after working out for them last week.

Here are five things to remember about Allen: There's been no receiver in Chargers history with more prolific numbers than Allen. The veteran wide receiver spent the first 11 seasons of his career in the powder blue and owns the franchise records for most receptions (904) and yards (10,530) among Chargers wide receivers.

This article was originally published on www.si.com/nfl/chargers as Did NFL insider just reveal hurdle preventing Chargers’ reunion with Keenan Allen?. The Los Angeles Chargers signing Keenan Allen has felt like a forgone conclusion for a long time.