Wigan Athletic's season in the 2008–09 Premier League was their fourth season in the Premier League, and Steve Bruce’s first full season as the manager of the club. The off-season saw the club sign a number of players, including Middlesbrough's highly rated young midfielder Lee Cattermole, Birmingham City pair Daniël de Ridder and Olivier Kapo, both of whom played under Bruce at Birmingham, and little-known Egyptian striker Amr Zaki, ranked as the world's best striker in FIFA rankings.

The club saw no forced sales during the transfer window, with players like Emile Heskey, Paul Scharner, Luis Antonio Valencia and Wilson Palacios deciding to commit their futures to the club rather than move away. Players to depart from the club included Julius Aghahowa, Salomon Olembé, Josip Skoko, Andreas Granqvist, Marlon King and Marcus Bent.

Season summary

July and August During the pre-season, Wigan played in seven friendlies, all away from home, to prepare for the upcoming Premier League season. Their first friendly match was on 19 July away to FC St. Veit, which Wigan won 3–0. The next game was played on 22 July against Bundesliga side Eintracht Frankfurt; Eintracht won 2–0. A further away game in Germany was played on 25 July against another Bundesliga club, Hannover, which finished 2–2.

Wigan's first friendly on English soil was on 29 July at Barnsley, which saw the Latics give a debut to Lee Cattermole. The Wigan club thrashed the Yorkshire outfit 6–0 with goals from Marlon King, Emile Heskey, Luis Antonio Valencia, Michael Brown and a brace for new boy Daniël de Ridder. Wigan made the short trip to Sheffield on 2 August to play Championship club Sheffield Wednesday, defeating them 3–2. Wigan later travelled to Scotland to face Scottish Premier League team Hibernian on 5 August, winning 1–0 before finishing off their pre-season with a 1–0 victory over Dutch side Utrecht.

Wigan's first Premiership game was away to West Ham United on 16 August, with the home side victorious thanks to a Dean Ashton brace. Wigan finished the game the better side, according to reports, and had the better possession and territory overall for the whole game but could only muster one goal, from debutant Amr Zaki, losing 2–1.

On 24 August Wigan played their first game at the JJB Stadium, against last season's Premier League runners-up Chelsea. The game began badly for Wigan who, already without first-choice goalkeeper Chris Kirkland, gave away a free kick after just 4 minutes of play just outside the box, which was scored by Deco. Despite going down early the Latics rallied and performed valiantly against one of the superior Premier League sides and pressed for an equalising goal, which, in the end, was in vain as Chelsea ran out 1–0 victors.

On 26 August Wigan played against Notts County at the JJB Stadium in the second round of the League Cup, which led to a comprehensive 4–0 victory for the hosts. Many of Wigan's fringe players, including striker Henri Camara, shone in this one-sided affair with goals coming from Camara (2), Zaki and Tomasz Kupisz.

On 30 August Wigan played away to Premiership newcomers Hull City in a Premier League game that, if Hull won, would take them to the top of the table. Wigan, however, were not to be thwarted three times in a row and thrashed Hull 5–0, the club's biggest victory in the Premiership. Hull began woefully with poor defending leading to an own goal by Sam Ricketts from a Kevin Kilbane corner within 5 minutes. Antonio Valencia added a second on the counterattack and, despite some decent resolve from Hull, they were finished after an Amr Zaki strike just after the hour mark made sure of the result. Later goals were added by Zaki and Emile Heskey.

September Wigan's next home fixture was played against Sunderland on 13 September; the fixture which had caused controversy within the town due to the decision to move a Rugby League fixture the previous day by owner Dave Whelan to allow the pitch to be in good condition for the game against Sunderland, a move which angered many Wigan Warriors fans. The game itself started well for Sunderland, who dominated the game and eventually opened the scoring when Wigan defender Titus Bramble tried to clear the resulting corner and headed into his own goal. Wigan finished the half the better side and came out after half-time much the same but struggled to find the equaliser. The game became a more even affair nearer the end of the second half, with both side posting good chances. It was Wigan who would break Sunderland's resistance, however, with another goal from Amr Zaki equalising matters for Wigan before Lee Cattermole was given a red card in the final minutes of the game.

On 16 September, Wigan announced the signing for former Birmingham and Ghanaian international goalkeeper Richard Kingson, released by the Midlands club at the end of the 2007–08 season, on a three-year contract after a successful trial period.

On 21 September Wigan travelled to White Hart Lane to face Tottenham Hotspur. The last time Wigan faced Tottenham they were heavily defeated 4–0, but performed much better against a struggling Tottenham side who, before the game, were rooted to the bottom of the Premiership. Wigan had a few decent chances but struggled to dominate the game for large periods, with only Tottenham's toothless attacking plays keeping Wigan in the game. Spurs had a claim for a penalty after Maynor Figueroa tripped Spurs midfielder Aaron Lennon in the box, but referee Steve Tanner dismissed their calls for a spot-kick.

On 28 September Wigan faced Manchester City at the JJB Stadium. A long-range Antonio Valencia goal and an Amr Zaki penalty gave Wigan a 2–1 win; City's consolation goal was scored by Vincent Kompany.

October On 4 October Wigan again played at home, against a struggling Middlesbrough side who had not won away from home all season. Wigan had looked confident and the most threatening during the opening half but were unable to take their chances when given them and were eventually undone in the 89th minute with a strike from Middlesbrough forward Jérémie Aliadière.

On 18 October, Wigan travelled to Anfield to play league leaders Liverpool. Wigan showed sheer determination throughout the whole game and took the lead on the 29th minute from the head of lead goalscorer Amr Zaki. Dirk Kuyt later levelled things for Liverpool before a sensational strike from Zaki moments before half time gave Wigan the lead for the second time in the game. Wigan dominated the majority of the second half before a reckless challenge from Antonio Valencia led to him being given a second yellow card and leaving the field. The game opened up more for Liverpool who were inspired by Wigan's disadvantage and Albert Riera restored parity five minutes after the dismissal of Valencia. Wigan then had to play defensively for the remainder of the game as Liverpool assaulted the Wigan goal and were successful just five minutes before the end of the game as Dirk Kuyt nodded home a Jermaine Pennant cross to win the game for Liverpool.

On 26 October, Wigan hosted an in-form Aston Villa side who comfortably beat Wigan 4–0. Gareth Barry had opened the scoring early in the first half after Titus Bramble gave away a penalty and were battered into submission in the second half with goals from Gabriel Agbonlahor and John Carew within five minutes of each other ending the game as a contest, a final goal from Steve Sidwell moments before the end compounding the misery for Wigan.

On 29 October, Wigan travelled to Fulham. The game finished with another loss for Wigan, their fourth in a row. Both sides had been struggling for form before the game and it was billed as a relegation battle in which Fulham came out successful with a 2–0 victory. Andrew Johnson celebrated his 100th career goal in this game with an early goal and then another on the hour mark to finish off Wigan's resilence and put pressure on Wigan boss Steve Bruce.

November On 1 November, Wigan's luck changed as they managed to take all three points in a hard-fought victory at Fratton Park against Portsmouth. Portsmouth controlled the opening half but a foul on Titus Bramble by Papa Bouba Diop led to a penalty, converted by Amr Zaki on the stroke of half time. Portsmouth came out in the second half strong and bombarded the Wigan goal, hitting the woodwork a total of four times before Wigan made Portsmouth pay for their wasteful demeanour with Emile Heskey bagging his 100th career goal to give Wigan a precious three points in the final minutes of the game.

On 8 November, Wigan hosted Stoke City at the JJB Stadium. Wigan dominated the game but both sides were largely uninspiring in the first half with very few chances to be had. Wigan were better equipped in the second half and peppered the Stoke goal but were left frustrated at Stoke's defensive prowess; the game ended 0–0.

On 11 November, Wigan travelled to the Emirates Stadium to face Arsenal in the fourth round of the League Cup. Although both sides largely players their reserve players, it was Arsenal who were victorious in a very one-sided affair. The game took a while to come to life, but a goal by Jay Simpson just before half-time broke the deadlock and spurred Arsenal onto an emphatic win against a toothless Wigan side. A further goal for Simpson and a goal from Carlos Vela ended Wigan's run in the League Cup.

On 15 November, Wigan travelled to St James' Park to face Newcastle United. The first half was well controlled and organised by Wigan against a sloppy Newcastle, who conceded within three minutes after a wonder strike from Ryan Taylor. In the second half Newcastle looked more determined and were galvanised by a second bookable offence for Wigan's Emmerson Boyce. Wigan still looked in control of the game for large periods despite missing key men such as Emile Heskey and Amr Zaki, but were undone with the arrival of Michael Owen. It was Owen's attacking threat that eventually broke through and pulled Newcastle level on the 80th minute; seven minutes later, Owen's striker partner Obafemi Martins scored to put Newcastle in a seemingly unassailable position with minutes remaining. However, poor defending from Newcastle allowed Titus Bramble to power a header home with a minute of normal time remaining to earn Wigan a point.

On 24 November, Wigan played a home fixture against Everton. In a game that offered many opportunities for both sides but woeful finishing it would be Wigan who would eventually break the deadlock with a strike from Henri Camara midway through the second half ensuring Wigan took all three points and clawed themselves out of the relegation zone. It was Camara's first Premier League goal since December 2006.

Wigan finished the month by hosting fellow strugglers West Bromwich Albion on 29 November. In a game that West Brom had fought hard in they initially took the lead through Ishmael Miller after a Titus Bramble blunder gifted the striker an opportunity on goal. West Brom could have had a further lead if not for the form of Chris Kirkland, who made numerous saves to keep Wigan in the game. Wigan would equalise through Henri Camara just after the hour mark and an 87th-minute goal from an unmarked Emmerson Boyce finished off an unlucky West Brom and gave Wigan a vital three points.

December On 6 December, Wigan returned to the Emirates Stadium to face an out-of-form Arsenal. It was to be Arsenal's day, however, as Emmanuel Adebayor scored against the run of play in the 16th minute to give Arsenal a lead they would never lose and strike a blow to Wigan's confidence, despite a strong attacking threat in the final minutes from Wigan.