Over the first 29 games...
29 starts -- Bruce
28 starts -- Votto, Choo, Phillips
26 starts -- Frazier, Cozart
Out of the chute, with one stretch of 20 straight games, this seems extreme to me. Not sure it's the wisest approach for both starters and bench guys (physically or mentally). As sporadic as play is in spring training, the transition to a month of every day play for 6 guys is, at the least, abrupt.