The matchup has been all but official for days. Those who penciled in the San Diego Padres at the Chicago Cubs in the National League wild-card round on Tuesday can now jot it down in pen after Chicago clinched homefield advantage on Saturday.

"I'm stoked," said San Diego reliever Mason Miller. "I can't wait for it to get here."

But before San Diego can make its third trip to Chicago this season -- it lost two of three on the North Side in early April before winning two of three against the White Sox on the South Side last weekend -- it has one more game left in the regular season as it hosts the Arizona Diamondbacks on Sunday.

Nothing is at stake here other than getting guys at-bats and innings and avoiding injuries like the one catcher Elias Diaz suffered in Saturday night's 5-1 win.

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