In his return to Arizona, Christian Walker said the Diamondbacks didn't make a formal offer to keep him in free agency.

Christian Walker singled home the go-ahead run in the ninth inning and the Houston Astros beat the Arizona Diamondbacks 4-3 ...

BOTTOM LINE: The Houston Astros meet the Arizona Diamondbacks with a 1-0 series lead. Arizona has a 50-51 record overall and ...

Houston handed a 3-1 lead to Bennett Sousa in the eighth. Arizona greeted the left-hander with three straight hits. Geraldo ...

Christian Walker struggled to find a rhythm at the plate during the first half of his first season with the Houston Astros.

Christian Walker talks about his time playing for the Arizona Diamondbacks as he returns to face them for the first time ...

Christian Walker singled in the go-ahead run in the ninth inning to punctuate his return to Arizona as the Houston Astros ...

Christian Walker slams the Arizona Diamondbacks before his return with the Houston Astros for a key three-game series at ...

When the Houston Astros signed Christian Walker this past offseason, they expected All-Star-caliber production, and it's hard ...

The Diamondbacks lost a third straight close game to the Astros, getting swept in their final home series before the trade ...

Houston Astros first baseman Christian Walker received an ovation before his first at-bat at Chase Field since leaving the ...

The Houston Astros have had a rough go of it over the past couple of weeks, but they got back on course with a gritty series ...