David Hasselhoff used a walker on a rare outing with wife Hayley Roberts in the West Hills neighborhood of Los Angeles. The “Baywatch” alum, 73, grabbed the walker with both hands as the couple walked across a parking lot on Wednesday in photos obtained by Page Six. Hasselhoff wore a casual gray T-shirt, black sweatpants, a beige Nashville hat, glasses and black shoes. He also had a blue and white sweatshirt hanging over his shoulders. David Hasselhoff used a walker during a rare outing with wife Hayley Roberts in Los Angeles on Wednesday. WCP,4cnrs / BACKGRID The couple were seen walking in a parking lot in photos obtained by Page Six. WCP,4cnrs / BACKGRID Hasselhoff (seen above with Roberts) wore a gray shirt, black sweatpants and a hat. WCP,4cnrs / BACKGRID Meanwhile, his 45-year-old wife rocked a more athleisure outfit that included a white shirt, blue yoga pants, a pink hat and white sneakers. Hasselhoff’s rep told Page Six that the actor is recovering from knee and hip replacement surgery.…