Morneau's start on Tuesday against the Cubs also comes a day after an MRI gave him some peace of mind. In 2011, while with the Twins, he underwent surgery to remove a herniated disk fragment and often deals with strains and stiffness, so anything involving his neck is a concern.
"That was good news to see that in some ways my spine is actually better," said Morneau prior to his first game since before the All-Star break. "Hopefully, it continues to get better."
Morneau went 2-for-4 against Round Rock on Monday and tested his neck and body in a variety of ways.
"It was a real test," said Morneau, who is batting .312 with 13 home runs and 60 RBIs. "I hit the ball well and came back well. I ran around and came back good. Batting practice is one thing, when you're hitting fastballs, but when you get in games and see offspeed pitches, that's when you know."
Thomas Harding is a reporter for MLB.com. Read his blog, Hardball in the Rockies, and follow him on Twitter @harding_at_mlb. This story was not subject to the approval of Major League Baseball or its clubs.