On the topic of Fister and small sample sizes:
1. Apparently, they tweaked his mechanics, which has led to him pitching very well. If that truly is the case for the turnaround, then by all means, we have reason to be optimistic going forward. Whenever there is a known physical reason for decline or improvement, that has to be taken into account differently than a random short term improvement or decline. Either way, it's still too small a sample to know for sure.
2. What a player has done the last month probably is a better indication of how he'll do next game than what he did in April. It may even be a better indication than his cumulative stats for the year. That said, projections trump in season performance to date, at any point in the season, in terms of being a better predictor of what will happen going forward. Keep in mind that updated projections to incorporate season to date performance.
3. I am good with starting Fister and leaving Price on the DL for now. Ride the hot hand as long as we can. (Did I just say that?) Perhaps he and Sale can do the piggyback thing against the Tribe in the playoffs.
4. I do think that the idea of a 'hot hand' for a pitcher is a little different than it is for a hitter.