When Andrew McCutchen got the text-message invitation, he wasn't sure how to respond.

He had just heard from National League captain and Los Angeles Dodgers center fielder Matt Kemp, who asked him to join the field for tonight's Home Run Derby. He hesitated, but decided to accept.

"My girlfriend actually talked me into it," McCutchen said. "She kind of just said, 'Hey, it's a once-in-a-lifetime chance for you.'"

McCutchen will replace the Miami Marlins' Giancarlo Stanton, who had knee surgery. McCutchen asked Jon Spradlin, his coach at Fort Meade High School in Florida, to pitch to him.