The Academy graduate did not miss a minute of Boro's 38 Premier League matches and is one of just three outfield players to achieve the feat this campaign, alongside Chelsea title-winner Cesar Azpilicueta and Bournemouth's Steve Cook.
Boro's last league ever-present was Dimi Konstantopoulos, who played in all 46 Championship games in 2016/17, while fellow goalkeeper Mark Schwarzer completed the full league fixture calendar in 2002/03.
England boss Gareth Southgate came within 90 minutes for Boro in 2001/02, while Jonathan Greening missed just 45 minutes in 2002/03.
In fact, just one other outfield player has equalled Gibson's in the Premier League era. Nomadic left-back Dean Gordon joined Boro in 1998, and was a mainstay as the newly-promoted Teessiders racked up an impressive 9th-place finish in 1998/99.