A few guys (Sean Rodriguez, Chris Bostick, Alen Hanson) whom I listed with the infielders played in the outfield, but not much.
Andrew McCutchen: 156 games (152 starts), 122 wRC+, 3.7 fWAR
Gregory Polanco: 108 games (95 starts), 81 wRC+, 0.5 fWAR
Starling Marte: 77 games (75 starts), 91 wRC+, 1.2 fWAR
Adam Frazier: 121 games (55 OF starts), 97 wRC+, 0.7 fWAR
John Jaso: 126 games (46 OF starts), 94 wRC+, 0.3 fWAR
Jose Osuna: 104 games (28 OF starts), 78 wRC+, -0.5 fWAR
Jordan Luplow: 27 games (20 starts), 72 wRC+, -0.