Answered April 30th, 2019

Marshall Faulk scores his 26th TD of the season, breaking Emmitt Smith's then single-season record set in 1995.
Who was the first player with 26 TDs in a season?
Interpreted as:
Who was the first player with 26 or more TDs in a season?
2000Faulk2003Holmes2005Alexander2006Tomlinson26272831
NAMESEASONTMGPTDRUSH TDREC TDRET TDFGMXPMXP2SFTYPTSPPG
Marshall FaulkMarshall Faulk2000STLSTL14261880002016011.4
Priest HolmesPriest Holmes2003KCKC16272700000016210.1
Shaun AlexanderShaun Alexander2005SEASEA16282710000016810.5
LaDainian TomlinsonLaDainian Tomlinson2006SDSD16312830000018611.6
StatMuse has season-level data for touchdowns going back to the 1921 season.