Yeah that was a bad move. It was clear Holland was struggling and you had Lewis ready and waiting. Should have made a move sooner and definitely should have started Lewis. Not that it would have made a difference but still.
Bannister's worst move IMO was in Game 3 when he went with Chi Chi Gonzalez, probably his worst reliever, in a big spot. I guess he did it because they were down by 2 and it was only the 6th inning but that was an awful, awful move. The Rangers have some good arms there he could have used a number of relievers instead of Chi Chi who gave up the homer (and the game) to Tulo.