The round-tripper was a rare burst in the early part of a low-scoring game as San Diego's early lead held up until the bottom of the fifth, when the Rockies built momentum en route to an 11-2 win at Salt River Fields at Talking Stick.
Todd Helton sparked a fifth-inning Rockies rally with a leadoff walk. Michael Cuddyer followed with a hit before Brandon Wood tripled in a run to right-center and Wilin Rosario plated Wood with a single up the middle. Charlie Blackmon was thrown out trying to steal after pinch-running for Cuddyer, limiting the rally to two runs.
An eight-run seventh frame broke the game wide open for the Rockies. That's when Eric Hamren took the mound for the Padres and faced six batters without recording a single out. Hamren walked the first batter he faced, gave up a pair of singles, then walked in a run, hit a batter to force a run home, and walked in another before Padres manager Bud Black pulled him off the mound.
The Rockies scored five more runs on a sacrifice fly, a double steal followed by a throwing error from the catcher, and a three-run homer from Rosario -- his first of the spring.
Cory Luebke, the Padres' projected No. 2 starter, set the standard with a strong outing, blanking the Rockies for three innings, allowing a hit and a walk while striking out two. His only base runners came in scattered innings, and no Rockies reached second against him, thanks in part to his own defensive play. Luebke picked off Dexter Fowler after a leadoff walk, initiating a caught stealing at second, and in the third he fielded Jeremy Guthrie's bunt attempt and threw out Wood as he tried to move to second.
"I was working on my offspeed stuff and threw quite a few changeups and curveballs," Luebke said. "The one hit [Brandon Wood single, third inning] was one of my better ones [changeups]."
Rockies starter Guthrie was equally impressive, going four innings and yielding his lone run to Maybin. Guthrie allowed one more hit in the first inning -- Carlos Quentin's first of two base knocks on the day -- then retired 10 in a row before calling it a day.
The veteran right-hander, acquired in a February trade with the Orioles, continues to solidify has bid for a spot at the top of the rotation.
Up Next for the Rockies: Drew Pomeranz will make his third start of the Cactus League season on Tuesday as the Rockies travel to Glendale to face the Dodgers at Camelback Ranch at 1:05 p.m. MT. Pomeranz is building a great spring resume, throwing five scoreless innings in two starts while holding opposing hitters to a .188 average and striking out five against two walks. The 23-year-old left-hander made his big league debut with Colorado last September after coming over in the Ubaldo Jimenez trade, and seems fast-tracked for the Rockies' rotation.
Owen Perkins is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.