Justin Tucker had his most field goals in a game versus the Lions on December 16, 2013, with 6 field goals.

most field goals in a game by justin tucker
Interpreted as:
most field goals in a regular-season game by Justin Tucker
12/16/2013Tucker11/1/2015Tucker11/28/2013Tucker9/26/2021Tucker9/20/2020Tucker12/29/2019Tucker10/6/2019Tucker12/30/2018Tucker12/2/2018Tucker9/30/2018Tucker12/25/2016Tucker11/27/2016Tucker9/25/2016Tucker9/20/2015Tucker11/30/2014Tucker9/11/2014Tucker11/24/2013Tucker10/6/2013Tucker12/23/2012Tucker10/3/2021Tucker11/22/2020Tucker10/18/2020Tucker10/20/2019Tucker65544444444444444443333
Results may be incomplete. StatMuse has complete game-level data for field goals going back to the 1960 season.