Chris Maguire comes off in place of Denver Hume in a final change for the hosts this afternoon.

We went almost 80 minutes without a single booking and now we've had a third in these closing stages.

Chris Maguire goes into the book for a foul on Ross McCrorie. That McCrorie's led two Sunderland players into receiving yellow cards shows how much of a nuisance he's been.

Image source, Rex Features

Marcus Harness plays another ball into the Sunderland box, this time into the path of Ellis Harrison.

However, the Portsmouth forward concedes a foul and their attack fizzles out.

Not long left for the visitors to force a draw, here.

Sunderland make another change as Will Grigg replaces Aiden McGeady, who's looked frustrated in the past 10 minutes or so.

Can Grigg's arrival ensure Sunderland see this game out?

The visitors win a corner from a headed clearance to the free-kick that followed that Aiden McGeady yellow card.

It's launched low and cleared away into the path of Ross McCrorie who eventually puts a ball into the box which Grant Leadbitter almost heads into his own net.

Now it's Sunderland's turn to pick up a yellow card as Aiden McGeady goes into the book for a reckless challenge on Ross McCrorie.

Portsmouth win a free-kick in a dangerous position. Can they take advantage?

Ross McCrorie puts in a stunning long-range low delivery which finds John Marquis who crosses to Gareth Evans in the centre of the box but his shot is well blocked away by Alim Ozturk.

Meanwhile, Christian Burgess picks up the game's first booking after he fouls Sunderland's Lynden Gooch.

Image source, Rex Features

Portsmouth make their final change of the match.

Ross McCrorie replaces Anton Walkes.

Marcus Harness is lucky not to go in the book at the very least after putting in a robust challenge on Chris Maguire.

I'm not sure he meant to go in so hard and probably did attempt to get the ball, but it sure didn't look pretty.

Marcus Harness plays a dangerous ball into the Sunderland box once again but home keeper Jon McLaughlin has it covered as he does well to collect the delivery with two Portsmouth attackers in his midst.

Great stuff.

That's an impressive number of Portsmouth fans who've made a nearly 700-mile round trip for today's early kick-off.

Image source, Reuters

Congratulations if you've got Pierre-Emerick Aubameyang as your FPL captain - he's just scored to put Arsenal 2-1 up at home to Burnley.

Follow today's Premier League action here.

There's a double change for Portsmouth as they look to get something out of this match.

Andrew Cannon and Ronan Curtis come off in place of Ellis Harrison and Gareth Evans.

There's a fall in the area as Luke O'Nien collides with Portsmouth's Tom Naylor in the visitors' box and there are loud shouts for a penalty.

But referee Michael Salisbury waves it away before Chris Maguire then falls in the box in a challenge for the ball with Christian Burgess.

Salisbury waves away more shouts for a Sunderland penalty in quick succession.

There's some stunning passing from Portsmouth who've given Sunderland's defence a fair bit to think about.

The hosts have struggled to deal with Pompey's attack, score aside, this afternoon and Ronan Curtis works on to a final ball before unleashing a shot inside the box at a tight angle which is collected by Jon McLaughlin.

Marcus Harness and John Marquis link up once again for Portsmouth and the former plays the latter through on goal completely unmarked.

However, Marquis slices his shot well wide to jeers from the Sunderland fans.

It's just not happening for Pompey so far in this second half, despite them dominating the possession since the restart.

Ronan Curtis attempts to work on to a long cross from the right flank from Anton Walkes but he heads wide of the mark.

Portsmouth doing what they can right now to level the scores again.

Marc McNulty manages to walk off the field and is replaced by Charlie Wyke for Sunderland.

Anton Walkes plays a speculative ball into the Sunderland box towards the head of Ronan Curtis, however it sails out for a goal kick to the hosts.

Meanwhile, Sunderland striker Marc McNulty looks as if he's picked up an injury in these opening stages and play is halted.

Portsmouth get us back under way at the Stadium of Light.

A thrilling second half awaits.