Louie Sibley came off the bench to fire his first Oxford goal and deny Portsmouth a first win of the season in a 1-1 draw at Fratton Park.
Police are investigating after an alleged racist comment was made towards assistant referee Bhupinder Singh Gill from the stands during Portsmouth's draw with Oxford.
Follow updates from Saturday's matches in the Sky Bet Championship, League One and League Two here.
Oxford fought back from two goals down to draw 2-2 with Luton in the Championship at Kenilworth Road.
Oxford United's Will Vaulks is joined by Luke Beauchamp - the brother of Oxford great Joey - and Sharon Mangan, whose son took his own life in September, to share stories around mental health and loss in honour of World Mental Health Day.
Burnley's bid to make it three Championship wins on the spin was thwarted by a resilient Oxford in a somewhat dour goalless draw at the Kassam Stadium.
Nahki Wells scored a 76th-minute penalty as Bristol City came from behind to beat Oxford 2-1 in an entertaining Championship clash at Ashton Gate.
Oxford's impressive start to the Sky Bet Championship season continued with a well-earned 1-0 victory against Stoke at the Kassam Stadium.
Follow Saturday's Sky Bet EFL action here...
Tyler Goodrham struck a brilliant goal as Oxford came from behind to beat Preston 3-1 and inflict a first defeat for the Lilywhites' new manager Paul Heckingbottom.
Saturday's Sky Bet Championship, League One and League Two matches here...
Oxford striker Mark Harris talks through two VERY different goals he scored in the Championship this season.
League Two side Barrow ended their 56-year wait for a place in the Carabao Cup third round by beating Championship side Derby 3-2 on penalties after the tie finished 0-0.
Watch highlights from all of Tuesday night's Carabao Cup second-round ties here...
The transfer window is now open and closes at the end of August. Find out who is on the move across the Championship.
Saturday's Sky Bet Championship, League One and League Two matches here...
Mark Harris scored an incredible 35-yard volley for Oxford against Blackburn in the Championship.
Arnor Sigurdsson scored his first goal of the season as Blackburn came from behind to beat Oxford 2-1 in the Championship.
The Carabao Cup second-round fixture dates have been announced, with every game live on Sky Sports.
Haji Wright's goal six minutes into stoppage time earned Coventry their first victory of the season as the Sky Blues left it late to beat Oxford 3-2.