No one loved Ireland like Dan Rooney.
The Steelers will honor their late chairman's heritage this season by adorning players' jerseys with a three-leaf, black-and-gold shamrock that will contain the initials DMR, for Daniel Milton Rooney.
The announcement came only days before the Steelers open training camp Thursday at St. Vincent College. This will be the 52nd consecutive year the Steelers will train at St. Vincent, but the first without Rooney, who died April 13 at the age of 84.
Many players wore shamrocks with the Steelers' logo to honor Rooney during his funeral.
Rooney served the Obama administration as ambassador to Ireland from 2009-2012, and he was involved in Irish causes for many years. With Pittsburgh businessman Tony O'Reilly, he co-founded the American Ireland Fund (now known as the Ireland Funds), which has raised more than $550 million, according to its website.
"We wanted to have something my dad would be proud of and really called out parts of his life that were important to him," Steelers president Art Rooney II said in a statement on the team's website. "The shamrock is something he would be happy about.
"I know he wouldn't want us to make too much of a fuss. I think wearing a jersey patch, he would be proud of that. It's a great way for all of us to remember what he meant to each one of us and what he meant to the organization."