Porter faced several charges which included public drunkenness, resisting arrest and aggravated assault.
His charges would be reduced to citations for public drunkenness and disorderly conduct.
"Following that review it is the position of the office that the only charges supported by the video are summary disorderly conduct and summary public drunkenness", the DA's office said.
The Sunday night incident began when Officer Paul Abel, working an off-duty security detail in full uniform, tried to intervene in an argument between Porter and a security guard outside The Flats on East Carson Street, according to the criminal complaint filed against Porter. On Monday morning, he posted $25,000 bail and released.
"I will start with a comment regarding Coach Porter's situation". Head Coach Mike Tomlin had announced Porter was on leave from the team while the charges played out. Obviously that was breached in this circumstance, and there are consequences to be suffered because of it.
"In this league we're all held to a standard of decorum, players but coaches, front office people, executives even more so and rightfully so", Tomlin said.
As of now, Porter won't be on the sidelines when then Steelers face the Kansas City Chiefs this Sunday in the AFC Divisional playoffs at Arrowhead stadium.
Mr. Del Greco said Porter "has in fact apologized for the fact that it was a distraction for the team" and "regrets all that and apologizes for that".
The Steelers' Director of Communications, Burt Lauten, gave a statement Sunday night on Porter's arrest to ESPN's Josina Anderson. Though its investigations are generally driven by formal complaints of police misconduct, the board has reviewed other high-profile arrests or police incidents, Pittinger said. He's been in his current role as the outside linebackers coach since 2015.
Porter made the Pro Bowl three times during his Steelers career.