"If he could have written a way to go out, this would be it," said Johnny D. Masters, who was bowling with Lorenz.
Friends said Lorenz started bowling in 1957 and ended last season with a 223 average. He rolled his first two 300 games over a one-week period in 2004.
In May, Lorenz was inducted into the Kalamazoo Metro Bowling Association Hall of Fame.
Us Weekly, which broke the news of the engagement, said McDermott, 39, proposed to Spelling, 32, on Saturday evening after a moonlit ride in a horse-drawn carriage on a Christmas tree farm outside
"We have searched our whole lives for each other and can't wait to now start our lives as one," the couple said in a statement issued to Us Weekly. "We both finally found our soulmate and we are beyond in love."
A similar statement was given to People magazine. Both magazines reported that McDermott presented Spelling with a diamond-and-sapphire ring. No wedding date was given.
Representatives for the couple could not immediately be reached for comment by Reuters.
In mid-October, court papers revealed that Spelling's first spouse, actor-writer Charlie Shanian, had filed for divorce just 15 months after they were married in a lavish ceremony at the Beverly Hills home of her father, TV producer Aaron Spelling.
According to Us Weekly, McDermott separated earlier this year from his wife of more than a decade, Canadian TV personality Mary Jo Eustace.
The magazine said Spelling and McDermott met this summer on the set of a TV movie, "Mind Over Murder."
Spelling is best known for the 10 years she spent on the popular Fox television series "