Aidan O'Brien may be the most successful trainer in the history of the Dubai Duty Free Irish Derby, but eldest son Joseph has realistic ambitions of denying his father a 14th win in the Curragh Classic on Saturday evening. 

Aidan was responsible for 10 of the 19 potential runners after Tuesday's final forfeit stage, including antepost favourite Santiago, who triumphed in the Queen's Vase at Ascot last Friday. 

Joseph could be represented by Crossfirehurricane, Galileo Chrome - who won a Curragh maiden on the same card as the Gallinule Stakes winner last time out - and the supplemented filly New York Girl. 

The latter is perhaps the most intriguing contender in Saturday's race. 

Connections were encouraged to take on the colts and stump up a supplementary fee following a fine fourth behind Peaceful in the Irish 1,000 Guineas earlier this month. 

Taking on male rivals in the race may be an onerous task, but it's not an insurmountable one, with Salsabil and Balanchine striking gold in the race in the 1990s. 

"The year that's in it, it looks a very open race," her handler told RTÉ Sport.

"She ran a very good race in the Guineas. 

"This year in particular, it looks like the crop of fillies is very, very strong. 

"With some of the top colts around maybe going to different targets like Epsom, it just might open up the Irish Derby a little bit. 

"The trip is an unknown, but she's by New Approach, who is a Derby winner and we're hopeful that she can stay. 

"She obviously receives a couple of pounds off the boys, but we're under no illusion that it's a huge ask for a filly to take on the colts, but it has been done before. 

"We think she'll get the trip, and if she does, we think she has a big chance."

The Epsom version of the race is unequalled in terms of prestige for the Classic generation and the rescheduled race has stripped the Irish Derby of much of its lustre in terms of the line-up. 

New York Girl still holds an entry in Sunday's Pretty Polly Stakes, but in unusual times it looks a less winnable race. 

"It looks as though she would be meeting Magical there, so probably the Derby looked an easier spot for her, which is hard to believe, but that's what it looks on paper and she's been training very well, O'Brien said.

Turning his attention to Crossfirehurricane, who is as short as 4-1 with some firms, O'Brien said: "Winning over 10 furlongs at the Curragh last time, he didn't look like another couple of furlongs would be any issue to him. 

"You obviously don't know until you go and tackle the extra trip, but he's in great shape. 

"His preparation has gone very well and we're excited about running him." 

Talented apprentice Shane Crosse will again partner the son of Kitten's Joy, and his boss has total confidence in his young rider's abilities. 

"It's a big day for Shane," O'Brien said.

"Shane has had a very good career in a short amount of time. He's ridden a lot of winners, and a lot of big winners, and he's been very, very good to us. We have a very good relationship and he knows the horse very well." 

The hold-up tactics employed last time out on Crossfirehurricane are likely to be seen once more and O'Brien admitted: "He'll be taking his time, I'm sure. 

"He came from the back to win in the Gallinule and we'll be taking our time a little bit again this time.

"Obviously, a little bit will depend on the pace of the race and how it falls for Shane when he leaves the gates. 

"We won't tie him down to too many instructions, but we'll be saving a bit of gas early." 

A third member of the O'Brien family is also likely to field a runner in the race, with brother Donnacha - who rode Joseph's Latrobe to a memorable victory in the race in 2018 - poised to unleash Sherpa. 

Watch live coverage of the Dubai Duty Free Irish Derby Festival at the Curragh on RTÉ2 and RTÉ Player on Friday from 7-8pm, on Saturday (Irish Derby at 7.15pm) from 6-8pm and on Sunday from 3-5pm.