Farmer will start Wednesday's game in Minnesota, MLive's Evan Woodberry reports.
His move to the rotation will send Anibal Sanchez and Mike Pelfrey to the bullpen, at least for now. Farmer has a 4.32 ERA and 10:7 K:BB in 8.1 innings of relief since being recalled at the start of September, and his career 10.09 ERA in 30.1 innings as a big league starter make it awfully tough to trust him, even in a solid matchup Wednesday.