LONDON (AP) — Roger Federer didn't need his initials to sign off on another masterful display at Wimbledon. He's hoping to get them back soon, though. Federer's stylish "RF" logo was missing from his outfit as he stepped out on Centre Court on Monday to begin his title defense with a quick 6-1, 6-3, 6-4 win over Dusan Lajovic.Read more on NewsOK.com