Let's start with the hosts, then. Eddie Howe has made five changes in total as he searches for his first home win of the season. Sylvain Distin makes his league debut for the Cherries, while Charlie Daniels has come in for Adam Smith at left-back. Two other changes have been made in midfield, where Eunan O'Kane and Junior Stanislas have made way for Dan Gosling and Marc Pugh. Lee Tomlin has been tasked with playing just off top goalscorer Callum Wilson, with Josh King missing out entirely.
Meanwhile, Dick Advocaat has been a little more reserved, making just one enforced change. Club captain John O'Shea is ill, so Sebastian Coates has come into the back four.
There's a new face on each bench this afternoon. Glenn Murray could come on to make his Bournemouth debut after moving from Crystal Palace, while DeAndre Yedlin is in the Sunderland squad for the first time since completing a loan switch from Tottenham Hotspur.
So, both sides are without their captains. Tommy Elphick misses out with a minor injury, while John O'Shea is ill. Younes Kaboul has stepped into the void for the visitors, but we're still awaiting confirmation as to who will wear the Bournemouth armband.
UPDATE: Just over 15 minutes to go in the early kickoff at Stamford Bridge, where Chelsea are leading 1-0 against 10-man Arsenal. Plenty of controversy there, as you can imagine. Follow the final few minutes here.
There's also plenty of Rugby World Cup action on the site this afternoon, and we have live coverage of Ireland's opener against Canada. Head over here, if you fancy a bit of that.
Back to the Goldsands Stadium though, and Advocaat will be encouraged to have Steven Fletcher and Adam Johnson back in the squad this afternoon. The pair missed last weekend's 1-0 loss at home to Spurs, but the Sunderland manager has plenty of attacking options from the bench now.
There's a return to Bournemouth for Sunderland striker Jermain Defoe, who spent a period on loan at the club at the beginning of his career. Yesterday, Eddie Howesaid that the former England international is a "special player". High praise indeed.
UPDATE: One game has already finished today and that came in the Championship, where Middlesbrough edged out Nottingham Forest 1-0. Take a look at Nathan Staples's match report here.
UPDATE: Final update before kickoff here, I promise, but Chelsea have run out 2-0 winners over Arsenal, who ended the game with nine men. Was there a handshake at the final whistle? Don't be silly, of course there wasn't!
You might be forgiven for thinking that Dick Advocaat would be annoyed with his team this season. They have taken just two points from five games, but he says that he has "no problem" with his squad. Hmmm, I'm not sure the Sunderland fans feel the same way.
Scoring goals hasn't necessarily been a problem for these two sides this season, but defending certainly has. Bournemouth have conceded nine goals in five games, while Sunderland are the second-worst team for goals conceded, with 11. The worst defensive record in the league? Chelsea, who've conceded 12. Bonkers, eh?
PREDICTION: Just a few minutes until kickoff, so there's time for me to make a fool of myself by predicting the wrong scoreline. I can't see past a home win in this one, so I'm going to go with a 2-1 home victory for Bournemouth.
Kaboul charges out of defence after dispossessing Wilson and wins a free kick on the far touchline for his side, but it's wasted and the ball rolls harmlessly through to Boruc.
He started the day as the league's joint-top goalscorer, but he's now out at the front of the pack all alone! It's such a simple goal, as Wilson collected Gosling's pass and rolled Kaboul on the edge of the box before slamming a low finish past Pantilimon. Terrible defending by Kabul, but Wilson showed great composure to capitalise.
You won't see a better goal this season! Absolutely brilliant goal from Ritchie! Sunderland cleared the initial corner, but Ritchie took one touch on his chest before rifling an unstoppable left-footed volley into the top corner from 25 yards! Marvellous stuff!
Where do Sunderland go from here? I'm in shock, let alone them! They definitely should have defended better for the first goal, but there was nothing they could do about Ritchie's. They need to just compose themselves now and go again after a nightmare first 10 minutes.
BOOKING: Coates has been shown a yellow card for hauling down Wilson. I wouldn't want to be facing the Bournemouth man for another 75 minutes with a booking...
CLOSE! Gomez fires in a free kick from nearby the corner flag and tries to catch Boric unaware at his near post! The goalkeeper just about gets across in time to stop the effort sneaking in. Very cheeky from the Spaniard!
Kaboul's the next player to be punished for getting too tight to Wilson. He's grappling with the forward and pleads his innocence, but he's trying to win the ball when he simply can't. He got caught out for the first goal and you'd have thought he would have learned his lesson! Apparently not.
Sunderland have managed to get their first real sustained period of possession, but Lens knocks in a cross which Boric catches easily to end the pressure.
Sunderland are giving the ball away far too easily, too. Even when they clear the ball, it's not even in the vague direction of Defoe, who looks incredibly isolated.
Great play by Pugh on the left wing, who leaves Jones for dead before setting up Wilson, but the forward can't quite find Tomlin. At the other end, Borini tries his luck from 30 yards, but Distin blocks the strike.
Kaboul cannons a free kick towards goal, which Wilson blocks... with his chest. The medical expert in me says that he's been winded there! Brave defending by the Premier League's top goalscorer.
CHANCE! Defoe goes through one-on-one with Boruc, but can't quite get the ball out from under his feet and scuffs a shot which the goalkeeper kicks away with his feet. Sunderland really could have done with him finding the back of the net there!
SHOT! Tomlin advances towards goal at the other end and fires a 25-yard shot goalwards, but it's straight at Pantilimon, who drops to his knees to gather.
CHANCE! Defoe again! M'Vila swings in a right-wing cross from a deep position and finds the striker, who heads wide of the near post. All he had to do was get it on target, as Boruc came flying out to punch the ball away, but got nowhere near it!
A wonderful piece of skill sees Tomlin bamboozle Kaboul. The forward flicked the ball over the defender's head as he came racing towards him and went round the defender to collect the ball on the far side.
Bournemouth are cruising. As soon as they went ahead in the fourth minute, they were on top, and Ritchie's sublime strike knocked all the stuffing out of Sunderland. Wilson has been magnificent, but Defoe has missed two gilt-edged chances for the visitors. If either of those chances had gone in, Sunderland would have had something to hang their hat on at the break. As things stand, it's going to be a tough half-time team talk for Advocaat.
UPDATE: Let's take you around all the Premier League grounds now. West Brom lead 1-0 at their city rivals Aston Villa, while Watford are 2-0 up at Newcastle thanks to Ighalo's brace. Stoke are also 2-0 ahead against the league's in-form side, Leicester.
The teams are back out on the pitch and the Goldsands Stadium is still bouncing. Bournemouth are odds-on to record their first ever Premier League home victory. Can they hold on?
Jones brings down a rampaging Daniels on the left wing, who goes flying. He looked up at the referee hoping there wasn't going to be a second yellow card, and he's been handed a reprieve. I've seen bookings given for less, he's a lucky boy!
Borini spent most of the first half on the right wing, but he seems to have switched to the left for the second half. He's just won a corner off Francis.
DISALLOWED GOAL! Oooh, Sunderland thought they had grabbed a goal back. Lens headed home at the far post from M'Vila's cross, but the linesman stuck his flag up. Replays showed that he was probably just about level with the last defender, but it was a tight call! Just before they had the ball in the net, Borini had a shot blocked before Rodwell's subsequent strike was tipped behind for a corner. Much, much better from the visitors.
Wilson's been terrific today. He gets in front of Kaboul and chests a long ball down before racing away to latch on to Tomlin's through ball. Tireless and impressive work from the forward.
CLOSE! Borini almost matches Ritchie's ninth-minute goal! The Italian cushions a clearance on his chest before sending a dipping volley inches over Boruc's bar. Great effort!
Bournemouth could do with just settling the game down. Sunderland have got a foothold in the game here, and although their goal was disallowed, the body language of the visitors is vastly different to what it was in the first half.
RED CARD! Kaboul is shown a second yellow card for hacking down Wilson. Great running again from Wilson, but it's embarrassing defending from the stand-in Sunderland captain, who has struggled all afternoon.
OFF THE BAR! Bournemouth make a mess of the free kick, but it comes to Ritchie on the left wing, who picks out Pugh at the far post. His shot bounces off the floor before clipping the bar. So close to a third!
All the action came in the first 10 minutes. Wilson gave Bournemouth a dream start, before Ritchie's incredible goal made it 2-0. That was the way it stayed and Howe will be delighted to get his first win of the season at home.
As for Sunderland, it gets worse and worse. They are still without a win after six games - the third season in a row that's happened, by the way - and to compound matters, Kaboul was sent off. So much for a captain's performance, eh? Advocaat has got a lot of work on his hands if he's to save the Black Cats from relegation this season.
Before I leave you, I'll point you in the direction of Tom Nightingale's full-time report from the Goldsands Stadium. If you want to find out what's happened elsewhere this afternoon, here are all of today's results. Unfortunately, that's all from me, but thanks for joining me this afternoon. Stick around on Sports Mole though, where there will be plenty of reaction from today's games, as well as live text commentary of Man City vs. West Ham.
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