"I just went to home plate thinking of hit the barrel of the bat," he said. "And it happened."
He said it was not a dream come true.
"Not yet. Whenever I'm playing in the Majors, that will be my dream," Jimenez said.
The White Sox acquired Jimenez in the Jose Quintana deal last year.
"I think he'll become really good," Cubs manager Joe Maddon said. "With good health, this kid will be outstanding. The combination of skill and who he is, I really liked him as a person, I liked talking to him. He is very mature and he speaks really well. He comes from an educated background. I really wish him well. I was very impressed. I don't want to say he's a 'can't miss' because nobody's a 'can't miss,' but he has a chance to hit some homers, especially in that ballpark."
Jimenez is scheduled to make his first Cactus League start Sunday, when the White Sox face the D-backs at 3:05 p.m. CT in an exclusive video webcast.