BALTIMORE -- Twins manager Ron Gardenhire announced his Opening Day lineup after Thursday morning's workout at Camden Yards. The only mystery was who would start in right field. The answer is Ryan Doumit.

Here is the lineup the Twins will use against Orioles righthander Jake Arrieta on Friday (first pitch at 2:05 p.m., Central):

1. Denard Span, CF
2. Jamey Carroll, SS
3. Joe Mauer, C
4. Justin Morneau, DH
5. Josh Willingham, LF
6. Ryan Doumit, RF
7. Danny Valencia, 3B
8. Chris Parmelee, 1B
9. Alexi Casilla, 2B

Starting pitcher: RH Carl Pavano