It took replay officials 3 minutes, 12 minutes before determining the play stood as called.
"I did that in Spring Training and had the same result," Buchanan said. "I got thrown out. So I think from now on I'm going to stay at first base."
But was he safe or out?
"I was safe," he said. "I was safe."
Astros right-hander Brad Peacock intentionally walked Cody Asche to face Buchanan with two outs, but Buchanan laced a single to right. It was the first hit and RBI in Buchanan's career.
Todd Zolecki is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.