Chargers waiving quarterback Zach Mettenberger

When the Titans released quarterback Zach Mettenberger this offseason, there were teams other than the Chargers who wanted him. Today, the Chargers decided they no longer did. According to Michael Gehlken of the San Diego Union-Tribune, the Chargers have waived Mettenberger as part of their first cuts to 75. Mettenberger played for Chargers offensive coordinator…