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# Aidan O'Brien

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Johnny Ward: All-weather track in Tipperary could see Dundalk suffer greatly
Joy for Aidan O'Brien as Magical triumphs, Dettori's landmark softens blow of Stradivarius loss
O'Brien confirms Arizona on course to challenge Siskin for Phoenix Stakes
Donn McClean: Exciting times ahead as Ten Sovereigns delivers on July promise
Stunning Sovereign basks in Irish Derby success after memorable weekend for Aidan O'Brien
'Whatever beats him will win': Prendergast bullish on Madhmoon's Derby chances
O'Brien and Moore look to maintain stunning start at Royal Ascot
Circus Maximus and Aidan O'Brien celebrate record win at Royal Ascot
Aidan O'Brien brings powerful team of 11 to Royal Ascot's opening day
Donn McClean: O'Brien primed to continue his outstanding record at Royal Ascot
Donn McClean: Ballydoyle puzzle as tricky as ever following five-star Derby day
Weekend tips: Broome can cement O'Brien's greatness with seventh Epsom Derby victory
Brilliant Hermosa captures Irish 1,000 Guineas double for O'Brien and Moore
O'Brien gives Sir Dragonet the green light for Epsom
Aidan O'Brien's expectations high for Epsom Derby challenge
Donn McClean: Naas trials leave O'Brien with a hot hand for Royal Ascot
Gold Cup hope Capri out to give O'Brien fifth successive Saval Beg triumph at Leopardstown
Donn McClean: O'Brien's Sir Dragonet gives plenty to ponder as Derby looms
O'Brien continues fine form in British Classics after Guineas double success
Hermosa wins 1,000 Guineas for Aidan O'Brien
Magna Grecia claims 10th 2,000 Guineas for 'unbelievable' Aidan O'Brien
Karawaan catches the eye with Irish Lincolnshire win as 2019 flat racing season gets under way
Flag Of Honour's Curragh success completes fantastic weekend for Aidan O'Brien and Ryan Moore
Disappointment for Ireland's O'Brien as Masar wins Epsom Derby
Disappointment for Ireland's Aidan O'Brien as unbeaten Justify wins Kentucky Derby
Saxon Warrior seals 2,000 Guineas win for Aidan O'Brien
This weekend could be one of the greatest of Aidan O'Brien's illustrious career
Republic of Ireland's James McClean named 2017 RTE Sportsperson of the Year
'I would have been as delighted for him had he beat me. We’re both over the moon'
Joseph O'Brien edges his father as Rekindling leads Irish sweep at Melbourne Cup
O'Brien, O'Brien and Mullins line up massive Irish challenge for the Melbourne Cup
Aidan O'Brien takes $1m prize as Mendelssohn shines at Breeders' Cup
Aidan O'Brien breaks world record for Grade One victories
Irish trainer Aidan O'Brien makes history at Ascot
Irish trainer Aidan O'Brien one shy of Bobby Frankel's record after dominating Dewhurst
Aidan O'Brien's Order of St George storms to victory at the Curragh
Ana O'Brien fractures vertebrae in her neck and back but brain scan comes back clear
Ana O'Brien airlifted to hospital after bad fall at Killarney Races
Aidan O'Brien lands Royal Ascot trainers' title for an eighth time with Idaho victory
Aidan O'Brien off the mark at Royal Ascot in week's most lucrative race