[3][4] McFarland received the nickname "Booger" as a child, saying "I was a bad kid, getting into a lot of wild stuff.

[9] In eight seasons with the team, he totaled 305 tackles and 20 sacks over 84 games, and won Super Bowl XXXVII in 2002.

[12] In the playoffs, the Colts defense became stifling, limiting the Kansas City Chiefs to 44 rushing yards, the Baltimore Ravens to 83 and the New England Patriots to 93.

McFarland was a color analyst for ESPN's Monday Night Football telecasts, after arriving with Jason Witten in 2018.

Prior to his promotion to color analyst, McFarland was a sideline reporter and consultant during the Monday Night Football broadcasts where he announced from atop a crane-like contraption nicknamed the "Booger Mobile.

"[16] After receiving criticism for blocking the view of fans seated near the field, the contraption was modified to be less obstructive.

[17][18] McFarland was promoted to color analyst in May 2019 after Witten left to return to the Dallas Cowboys.

[20] In dubbing MNF as "the worst (show) on television," UK newspaper The Guardian called McFarland "awful as a national NFL voice.