Operators of the Warner Springs Ranch Resort and pro golf Hall-of-Famer and broadcaster Johnny Miller have signed a deal to use his course design firm for upcoming improvements to the property, which will begin immediately.

Johnny Miller Design Group is a family-run design firm with Miller's sons, Johnny Miller Jr. and Andy Miller.

Officials of the 2,500-acre resort say the partnership could lead to a future creation of an additional nine holes on the course. They hope to be able to host level events once updates are complete at the Warner Springs Ranch Golf Club.

The resort has been making improvements to its golf course and other facilities for several years under its current operating team, which includes leaders of San Diego-based Pacific Hospitality Group Inc. The company acquired the historic property in 2013, and reopened the golf club and an on-site restaurant and clubhouse in Nov. 2015.

Recent improvements include upgrades and re-openings of equestrian facilities and a fully stocked gas station and convenience store.

The next phases of renovation include an art gallery and studio, featuring works of local artists, updating cottages and overnight accommodations, and the reopening of the hot-springs pool complex.

Johnny Miller was inducted into the World Golf Hall of Fame in 1998, culminating a pro career that included 25 PGA Tour wins. He has been a TV golf analyst for 28 years, currently with NBC Sports.