At least two Detroit Lions players remained in Steve Mariucci's corner Monday.
"If we'd had production on offense, in particular the quarterback position, Mooch wouldn't have been fired," Bly told the Detroit Free Press. "If Jeff Garcia hadn't gotten hurt, we wouldn't be in this position today. Mooch wouldn't have gotten fired."
Garcia missed the first five games after breaking his leg in the final preseason game. He started twice -- winning in Cleveland and losing to Chicago -- but then missed the Minnesota, Arizona and Dallas games with soreness in the leg.
"We're all at fault, but I just feel like Joey [Harrington]'s been here four years, and being the No. 3 pick in the draft, he hasn't given us anything," Bly told the paper. "He hasn't given us what the third pick in the draft should give us."
Garcia, who played for Mariucci in San Francisco, pointed to the Lions front office.
"You start to question whether the organization has the people in place who can go about making the proper selections," Garcia told WXYT-AM, according to the paper. "You really have to question that."
General manager Matt Millen hired both Mariucci and his predecessor, Marty Mornhinweg, and drafted or signed most of the current players. Since Millen took over in 2001, Detroit is an NFL-worst 20-55.
He fired Mariucci after two-plus seasons and a 15-28 record.
The Lions promoted defensive coordinator Dick Jauron to succeed him on an interim basis.
The Associated Press contributed to this report.