Colorado rookie sensation Trevor Story looks to continue his assault on the record books Saturday night when the Rockies play the middle game of their series with the San Diego Padres

Story homered four times during the Rockies' season-opening series in Arizona, then added two more in his Coors Field debut Friday, making him the first major leaguer to homer in each of his first four games.

"I've never seen anything like it, let alone a rookie," Colorado manager Walt Weiss said.

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Story, who had three hits - including his first non-homer - in the Rockies' 13-6 loss, tied the major league record by homering in the first four games of a season, joining Chris Davis (2013), Nelson Cruz (2011), Mark McGwire (1998) and Willie Mays (1971).

"I like to bring good energy to the team," Story said. "Walt said I was a bright spot (Friday), and I guess that's good, but the ultimate goal is to win and we didn't do that today."

San Diego (1-3) had also etched its name in the record books this week by becoming the first team to be shutout in its first three games of the season. But, after pushing the record drought to 30 innings, the Padres erupted for six runs in the fourth, three in the fifth, then two more in each the sixth and ninth innings in the seven-run rout.

"As soon as the first run scored, I think everybody relaxed," said Padres manager Andy Green, who picked up his first big league win. "You saw a lot of missiles hit after that. These guys can hit. They've been good baseball players for a long time. It was just one of those things that you can't explain in baseball."

San Diego hit .120 with 28 strikeouts while being outscored 25-0 in getting swept by the Los Angeles Dodgers to start the season.

Getting the call for the Padres on Saturday will be left-hander Drew Pomeranz, who was picked up from Oakland this offseason. Pomeranz appeared mostly as a reliever for the A's a year ago, posting a 5-6 mark to go along with a 3.66 ERA in 53 appearances.

San Diego, though, acquired him to be a starter, but it did not look good early on this spring, as he was pitching to an 8.36 ERA before four scoreless innings in his final outing lowered it nearly two runs.

Pomeranz was once a highly touted Rockies prospect, but disappointed, going 4-14 with a 5.20 ERA from 2011-13 with them.

Colorado (2-2), meanwhile, will rely on left-hander Jorge De La Rosa, who was bailed out by a pair of Story homers in Monday's opener against Arizona. De La Rosa allowed five runs and eight hits while striking out eight in 4 2-3 innings in a 10-5 win.

De La Rosa went 0-3 with a 7.94 ERA in four starts against the Padres last season, permitting nine runs in two innings in the only meeting at Coors Field on April 20.

Matt Kemp has given De La Rosa fits over his career, hitting .458 with five homers and six doubles in 48 at-bats. Kemp homered among his four hits Friday and is batting .423 with seven home runs and 18 RBIs in his last 13 games against Colorado.

San Diego has won 11 of the last 16 meetings with the Rockies.