The former Arizona Diamondbacks star opened up to the media in his first Chase Field appearance since leaving in free agency.

Brice Matthews reaches first after a fielding error by Geraldo Perdomo, driving in Christian Walker to tie the game at 1 in ...

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

Christian Walker looks on after striking out in the fourth inning on Monday. (Sarah Stier / Getty Images) Walker has become one of the most important players on this surging Diamondbacks team.

Christian Walker discusses his at-bat during the 9th-inning single, returning to Arizona for this series and more following ...

Christian Walker sends a sacrifice fly to right field, scoring Jose Altuve and trimming the Astros' deficit to 5-1 in the ...