Arnold, currently co-host of Fox Sports Net work's "The Best Damn Sports Show Period," was married to Roseanne for four years.
But in the new project, he will star as a single man who lives next door to a mother with three kids and winds up taking care of the children, the New York Post said.
ABC has ordered a script from writer-producers Josh Sternin and Jeff Ventimilia of Fox's "That '70s Show."
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