Los Angeles Chargers undrafted rookie quarterback DJ Uiagalelei had been wearing No. 13 through the first three weeks of training camp, including in the Hall of Fame Game last week. It never quite felt right.

Keenan Allen walked into Los Angeles Charges training camp Thursday feeling at home, despite a coach and training facility that were new to him.

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.