It's a sad day for Steelers fans -- the transition from Heinz Field is officially underway ... with the stadium's iconic ketchup bottle signs coming down on Monday.
Last week, the Pittsburgh Steelers announced they're partnering with tech insurance company Acrisure for a 15-year naming rights deal ... which will end the Heinz Field era after 20 years.
A news photographer from KDKA captured the first steps of the makeover on Monday -- showing the massive Heinz ketchup bottle sign being removed by a crane and placed on the ground.