LeMahieu ducked under Fielder and touched first base with his left hand. First-base umpire Kerwin Danley ruled LeMahieu out before Rockies manager Walt Weiss issued a challenge.
The play was overturned. However, pitcher Jordan Lyles struck out to end the inning.
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.