LOUISVILLE, Ky. — Triple Crown-winning trainer Bob Baffert was still in the parking lot Tuesday when his undefeated chestnut colt Justify drew the No. 7 post in the starting gate for the 144th running of the Kentucky Derby on Saturday.

“I didn’t get a chance to fret,” he said. “I walked in and saw Justify seven and was like, ‘I’ll take that!’”

Baffert was safely inside the Aristides Lounge at Churchill Downs when Justify, who defeated the talented colt Bolt d’Oro by three lengths in the Santa Anita Derby on April 7 to fuel the hype, was made the morning-line favorite at 3-1.

If Baffert has nerves, he has yet to show them. He and his big horse had been in Kentucky less than 24 hours, but the pair had already attracted a robust crowd at the talent-laden Barn 33. Baffert smiled brightly as he held court while his charges were bathed. He told stories about Derbys past, none more vibrant than American Pharoah’s triumph in 2015, which began a storybook journey that would lead to the first Triple Crown in 37 years.

Despite all the good vibes at the barn and at the draw, there was still one big elephant in the room. All three of Justify’s starts came in 2018, and no horse has won the 1 1⁄4-mile Derby after not starting as a 2-year-old since Apollo in 1882, leading to the dubious distinction, the Curse of Apollo.

If ever there were horses who could reverse the curse, however, Justify and Magnum Moon — who is undefeated in four starts in 2018, including going wire to wire in the Arkansas Derby on April 14 — have excellent shots.

“I think when the right horse comes along, it will happen,” said Magnum Moon’s trainer, Todd Pletcher, who is also set to saddle Audible (Post 5, 8-1), Vino Rosso (Post 18, 12-1) and Noble Indy (Post 19, 30-1), which would set a record for the most Derby contenders.

Mendelssohn, the runaway winner of the UAE Derby who will break from Post 14, was made the second choice at 5-1, and Magnum Moon, breaking from Post 16, was third at 6-1. Justify’s old foe Bolt d’Oro (8-1) will break not far outside him, from Post 11.

Baffert’s other Derby horse, Solomini, drew the dreaded No. 17 hole, from which no horse has ever won. But that did not get Baffert down. He knows he has Justify, and if he breaks well, he said, he will breathe easier.

“It’s one of the toughest Derbys that I’ve ever seen and one of the best draws that I’ve ever seen,” Baffert said. “The most important horses got good draws. My excuses are really dwindling, so now I’ve got to come with the horse.”