He has previously played in MLB for the San Diego Padres, Pittsburgh Pirates, Tampa Bay Rays, and Oakland Athletics.

Born in Phoenix, Arizona,[1] Decker grew up in neighboring Peoria, where he attended Sunrise Mountain High School.

[5] Decker played the full 2009 season with the Fort Wayne TinCaps in the Single–A Midwest League, putting up a .299 batting average and .956 on-base plus slugging percentage (OPS) in 104 games with 16 home runs and 64 RBI.

He was recalled to San Diego on June 19 when Everth Cabrera went on the disabled list,[9] and made two pinch-hitting appearances in which he walked and reached base on an error before being sent back to Tucson.

[10] On August 12, Decker recorded his first major-league hit, a solo home run off of Colorado Rockies starting pitcher Jhoulys Chacín during a 14–2 loss.

Decker made seven starts for the Padres in left field in August 2013, playing in 13 games overall on the year and collecting four hits in 26 at-bats (.154).

[15] In the final cut of spring training, the Athletics assigned Decker to the Nashville Sounds of the Triple–A Pacific Coast League to begin the 2017 season.

He remained with the Sounds for the rest of the season, and during the year played in 93 games for Nashville, hitting .274 with six home runs and 36 RBI.

[18] Atlanta assigned him to the Gwinnett Stripers in the Triple–A International League, where he played in 15 games, hitting .274 with a home run and four RBI[5] before the Braves released him on May 1.