The Los Angeles Chargers have agreed to a one-season, $2-million contract extension with defensive back Deane Leonard, one day before he would have hit the open market as an unrestricted free agent. The Chargers also announced the signing of ex-Miami Dolphins fullback Alec Ingold and an extension with offensive lineman Trevor Penning. The team also announced terms with former Baltimore Ravens tight end Charlie Kolar, making him the highest-paid blocking tight end in the NFL. The free-agent signing period officially begins at 1 p.m.