But after barely featuring with the team last season, Harrison was released and subsequently signed with the New England Patriots to help them during their run to the Super Bowl.
At the end of the season, he entered free agency.
Harrison, 39, posted a collage of pictures of his two sons and noted he's "missed way too much for way too long ... and I'm done".
He finished off the post with the hashtag #2ndAndFinalRetirement.
Man arrested for stealing auto with 9-year-old in back seat
Chief Winkle says the suspect, 36-year-old Joshua Douglas, threw a bag containing 65 grams of crystal meth during a foot pursuit. During the fight the man flips the officer directly on to his back on to the concrete and lands on top of him.
Harrison is the Steelers' all-time leader in sacks with 80.5. He was a Pro Bowler for five straight seasons from 2007-2011, a First-Team All-Pro selection in 2008 and 2010, and the NFL Defensive Player of the Year in 2008.
Harrison, who will turn 40 on May 4, played for the Steelers most of his career, starting as an undrafted rookie who spent most of his time on the practice squad in 2002. He retired briefly in September 2014 only to be lured back to the Steelers.
Longtime Pittsburgh Steelers linebacker James Harrison is taking a second crack at retirement. Harrison indicated during the playoffs he thought he had another year in him, but it appears he's changed his mind.
He played 14 of his 15 National Football League seasons with the Steelers, twice earning first-team All-Pro honours and being named to the Pro Bowl five times in consecutive seasons from 2007-11.
He is the first Spanish manager to win the Premier League title - a prize he says is the hardest to claim in Europe. A win for United could have only derailed City's deserved league title victory, but West Brom had different ideas.
When confronted, he could not produce any proof of identity and the doctors called the police and handed him over to the police. But all his claims fell flat after the doctors found him participating in a marathon organised by the doctors on Saturday.
Lourd Capital Llc's stake in Bank Amer Corp ( BAC ) is rose by 102.72% based on its latest 2017Q4 regulatory filing with the SEC. The financial services provider reported $0.47 EPS for the quarter, topping analysts' consensus estimates of $0.44 by $0.03.
Wresting back the opposition stronghold on the doorstep of Damascus had been a priority for the resurgent regime. British Tornado and Typhoon warplanes and French Rafale jets also took part in the strikes.
The seven-year ban has been placed on ZTE for violating the terms of a sanctions violation case, according to USA officials. Although Commerce Department officials would not discuss the report, they said the department followed up in February.
The 66-year-old former landscaper is accused of killing Kirushna Kumar Kanagaratnam between Sept 3, 2015 and December 14, 2015. Idsinga said Kanagaratnam's remains were found at a home McArthur used as storage for his landscaping business.
Years after playing an uncle - and then a father of twins - on Full House , John Stamos is now a proud papa himself. He captioned the image: "From now on, the best part of me will always be my wife and my son".
This will require brief additional downtime, so we will be including it as a part of our planned update next week. As a response to the issue, Fortnite chose to bring the servers offline for an emergency maintenance.
Samsung Galaxy Note 9 leaks, could be codenamed 'Crown'
Have you ever found yourself jumping between two apps on your smartphone while trying to accomplish something that utilizes both? Just to take it another step further, there are data plans that one can opt for that limit the number of texts one can send.
Russian Federation bans use of messaging app Telegram
The media regulator sought to block the app because the firm had refused to hand over encryption keys used to scramble messages. The messaging service offers end-to-end encryption , meaning that Telegram itself has no access to the content of messages.
Inmates Killed in South Carolina Prison Riot
Emergency services from several SC counties responded to the "mass casualty incident", Lee County Fire wrote in a tweet . Taillon could not confirm any more details yet, including who is involved and if there are any injuries or fatalities.