Prior to playing professional baseball, Denker attended Brea Olinda High School.

He split time between the South Georgia Waves and GCL Dodgers, combining to hit .264 with three home runs and 14 RBI in 46 games.

Denker spent the entire 2004 season with the Ogden Raptors, with whom he hit .311 with 12 home runs and 43 RBI in 57 games.

In 2005, he split time between the Columbus Catfish and Vero Beach Dodgers, combining to hit .281 with 23 home runs and 77 RBI in 132 games.

Denker was called up on May 12, 2008, and got his first major league hit against the Florida Marlins on May 25, 2008, which was a double down the third base line.

After spending the rest of the 2008 season in the minor leagues, Denker was claimed off waivers by the San Diego Padres.

[4] Denker spent the 2017 season with the Double–A Jackson Generals, logging a .296/.399/.468 batting line with 7 home runs and 28 RBI.