Here is the single season leaderboard for total fantasy points (PPR) in games 13-15 (edited to add: which has been weeks 14-16 in recent decades, but the NFL did bye weeks differently for part of this time period):
123.1    Todd Gurley    2017
			115.0    LaDainian Tomlinson    2003
			114.7    Jamaal Charles    2013
			112.2    Marshall Faulk    2001
			108.0    Odell Beckham    2014
			106.8    Marshall Faulk    2000
			104.4    Larry Johnson    2005
			104.3    Marshall Faulk    1999
			103.8    Steven Jackson    2006
			99.2    Warrick Dunn    2000
			98.9    Drew Bennett    2004
			98.6    Le'Veon Bell    2016
			96.8    Priest Holmes    2003
			95.8    Maurice Jones-Drew    2006
			94.8    Patrick Jeffers    1999
			94.5    Jeff Garcia    2003
			94.4    Eric Dickerson    1984
			93.5    Kevan Barlow    2003
			93.0    Terrell Owens    2000
			91.3    Tiki Barber    2005
			90.6    Le'Veon Bell    2014
			90.1    Corey Dillon    1997