Yahoo Sports reports: Natalie Decker has been dealt a tough blow ahead of her return to NASCAR competition, with primary backer Venturi Bold Brew walking away from the deal only weeks before the team is scheduled to roll off at Atlanta. The timing could hardly be worse for a smaller operation that now has to scramble to keep the program funded. According to the announcement, Venturi Bold Brew has ended its sponsorship of Decker's No. 53 Joey Gase Motorsports entry ahead of the NASCAR O'Reilly Auto Parts Series race a