
Originally Posted by
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I'd say it's an advantage if you are betting the dog, as the fave changing pitcher is likely to give a greater advantage than any disadvantage that would come from an odds change on the dog changing pitcher.
Plus as you say, it gives a different option for betting games where you might think an expected starter is suspect.
Having an the extra option of keep bet at same odds, on top of the regular Action or Listed has to be some advantage somewhere for the sharp guys.