Shinji Okazaki comes off for former Birmingham city youngster Demarai Gray.
Ulloa's header just flies over the crossbar after Danny Drinkwater fires the ball into Manchester United's penalty box from a free kick. Still 1-1.
Jamie Vardy looks in a cheery mood from the stands as he watches his side enjoy much of the early chances in the second half.
The Leicester striker is suspended for the match after actions during Leicester's 2-2 draw with West Ham earlier this month.
Manchester United midfielder Michael Carrick is booked for another challenge on Jeff Schlupp.
Manchester United forward Jesse Lingard picks up a yellow card for tripping Jeff Schlup.
Great work from Danny Simpson, charging down that right channel again, setting up Okazaki who just pulls his shot wide.
Leicester kick off the second half at Old Trafford with the score at 1-1.
Honours even at the end of the first half. United had the early possession and chances with a goal from Anthony Martial. But Leicester equalised soon after and have responded well to the home side's pressure. This could go either way.
The game has evened out after that Leicester equaliser. Plenty of end to end action as both United and the Foxes pile on the pressure. Both sides are battling to edge out in front.
Ulloa sees his header fly over the bar after some great work from Danny Simpson to intercept the ball and run down the right channel.