Prosecutors in San Diego won't charge former NFL star Junior Seau after his live-in girlfriend alleged she was assaulted. The San Diego County district attorney's office said Friday that it reached its decision after reviewing an investigation by Oceanside police. The office declined to elaborate in a brief statement. The 41-year-old Seau was arrested early Monday on suspicion of domestic violence. Police said his 25-year-old girlfriend reported that she was assaulted during an argument. Read more: http://sports.espn.go.com/nfl/news/story?id=5716264