Portsmouth celebrate reaching the Checkatrade Trophy final. Picture: by Daniel Chesterton/phcimages.com/PinPep)
The Wembley showpiece is set for an attendance of more than 80,000. The Black Cats boast players with Premier League, Champions League and international experience. Here we take a look at the highest level and biggest occasions members of the Blues’ predicted starting XI have been involved in.
Been an unused substitute at Wembley three times with Shrewsbury (twice) and Walsall. Goalkeeper has been an ever-present for Pompey in League One this term.
Forced off after five minutes when captaining Swindon Town in League One play-off final defeat to Preston in 2015 on only previous Wembley appearance. Won promotion with Robins in 2012. Never played higher than third tier.
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Never previously played at Wembley. Did make a solitary appearance for Middlesbrough in the Championship earlier in his career. Featured in League One for previous club Peterborough and Pompey.
The 22-year-old defender made four substitute appearances for Ipswich Town in the Championship in 2015. Has amassed more than 150 appearances for Pompey since joining in 2015. Never previously played at Wembley.
Full-back scored a penalty in Bristol Rover's Conference play-off final win over Grimsby at Wembley in 2015. Amassed more than 250 appearances for the Gas at National League, League Two and League One level.
Watched Pompey beat Cardiff in the FA Cup final in 2008 as a supporter. Academy graduate has amassed more than 100 appearances for his boyhood team after making his debut in 2014.
Featured for Mansfield Town in their FA Trophy defeat to Darlington at Wembley in 2011. Made 33 Championship appearances for relegated Burton Albion last season. Has turned out for Derby in the second tier.
Betway are offering odds of 8/5 on a Pompey victory on Sunday at Wembley, while a win for the Black Cats has odds of 7/4. A draw is priced at 21/10.
Striker has a wealth of experience playing at Championship level. Prolific forward Pitman has played for Ipswich, Bournemouth and Bristol City all in the second tier of English football. Yet has never previously played at Wembley.
Republic of Ireland international has collected two caps, after being handed his senior debut in Eire's friendly draw against Northern Ireland in November last year. Also featured for former club Derry City in the Europa League.
Appeared at Wembley twice in 2016. Played in Grimsby's National League play-off final win over Forest Green and the FA Trophy defeat to Halifax. Featured in the Championship for Wigan, Cardiff and Birmingham.