Whoever hacked the NFL's account sent out a tweet stating NFL Commissioner Roger Goodell had died, which the league announced is false:
According to NJ Advance Media's Matt Lombardo, the tweet remained live for roughly four minutes before the NFL took it down. CBSSports.com's Jason La Canfora reported the league is looking into the situation.
CBSSports.com's Will Brinson may have found the culprit:
NFL spokesman Brian McCarthy told the Associated Press that the league has "engaged law enforcement" regarding the hack. Goodell later commented about the hack on his own Twitter account:
Campus Insiders freelancer Mark Nagi joked it could be a Weekend at Bernie's situation:
Various athletes have said that they've had their social media accounts hacked. Most recently, somebody hacked Miami Dolphins offensive tackle Laremy Tunsil's Twitter and Instagram accounts. Shortly before the 2016 NFL draft, the hacker tweeted a video of Tunsil smoking out of a gas mask, which played a part in Tunsil slipping to the 13th overall pick.
This is the first time, though, one of the major American sports leagues has had its Twitter account compromised.