Later in the quarter Keenum threw the ball up for Stefon Diggs.
Tampa Bay is hoping it can be as effective stopping Keenum and the Vikes as Pittsburgh was last week in a 26-9 victory over Minnesota.
Prior to Sunday's game at US Bank Stadium, the Minnesota Vikings locked arms during the anthem, but made no further gestures in response to Donald Trump's recent comments regarding players who kneel for the anthem.
Tampa Bay, held to three points in the first half, got two Winston touchdown passes in the third quarter, to Cameron Brate and DeSean Jackson, cutting the Vikings' lead to 31-17. Except, of course, for the identity of the quarterback.
Minnesota Vikings wide receiver Adam Thielen makes a spectacular over-the-shoulder catch for 45 yards. But nobody else will miss Sunday's Week 3 home game against the Buccaneers.
- As well as owners Zygi and Mark Wilf and general manager Rick Spielman - following President Trump's comments criticizing National Football League players who knelt in protest during the anthem.
In place of Sam Bradford, Keenum impressed, completing 25 of 33 passes for 369 yards and 3 TDs to improve to 3-0 as a starter vs. the Bucs.
Ben Goessling covers the Vikings for the Star Tribune.