Chris Iannetta hit his first career grand slam, Jeff Baker had a three-run homer and the Colorado Rockies beat the San Diego Padres 10-3 on Tuesday night.

Ubaldo Jimenez pitched seven strong innings and Baker had three hits and three RBIs for the Rockies, who had lost eight of nine. Iannetta, Clint Barmes, Ryan Spilborghs and Dexter Fowler had two hits each.

Adrian Gonzalez hit his 34th home run of the year and fifth in the last six games for the Padres.