Sunderland captain Dan Neil will lead out his boyhood club at Wembley in the Championship play-off final against Sheffield United after their "unbelievable" play-off semi-final win against Coventry.Dan Ballard's last minute winner mirrored the Black Cats' 2019 League One play-off final defeat by Charlton where Patrick Bauer scored in added time to send the Addicks up."I wasn't quite in the squad back then, I was up in the stands with my dad," Neil told BBC Radio Newcastle. "It was gutting watchi