Niners WR Deebo Samuel sidelined with tight glute

San Francisco 49ers wide receiver Deebo Samuel left Friday's joint practice with the Los Angeles Chargers early because of tightness in his gluteal muscle, according to multiple reports.

Samuel suffered the injury during the early portion of practice, was treated on the field by the team's training staff and further evaluated in a medical tent at the Chargers' training camp facility.

Samuel later returned to practice bu