Answered May 2nd, 2019

Reggie White becomes the first player with 3 sacks in a Super Bowl as the Packers defeat the New England Patriots.
Who was the first player with 3 sacks in a Super Bowl?
Interpreted as:
Who was the first player with 3 or more defensive sacks in a Super Bowl?
1/26/1997White2/1/2009Dockett2/7/2016Ealy2/5/2017Jarrett3.03.03.03.0
NAMEDATEROUNDTMOPPSCKTKLASTCOMBSCKYINTINT YDSINT TDFFFRFR TD
Reggie WhiteReggie White1/26/1997Super BowlGBGBvs. NE
vs.
3.00000
Darnell DockettDarnell Dockett2/1/2009Super BowlARIARIvs. PIT
vs.
3.051622000000
Kony EalyKony Ealy2/7/2016Super BowlCARCAR@ DEN
@
3.0314231190110
Grady JarrettGrady Jarrett2/5/2017Super BowlATLATLvs. NE
vs.
3.041511000000
StatMuse has game-level data for sacks going back to the 1982 playoffs.