In this example Washington scores 2 runs after a throwing error on a stolen base attempt after there were 2 outs. The runs were scored on clean hits with no other errors. These runs should have been earned. The catcher's throwing error was for allowing the runner to advance a base which should not have had any affect whether the runs are earned unless in the scorer's judgment they would not have scored without the advancement. In this case the next 2 batters hit a triple and a double.
Rule 10.08 (stolen bases)
(b) When a runner is attempting to steal, and the catcher, after receiving the pitch, makes a wild throw trying to prevent the stolen base, credit a stolen base. Do not charge an error unless the wild throw permits the stealing runner to advance one or more extra bases, or permits another runner to advance, in which case credit the stolen base and charge one error to the catcher.
backed up by
10.14 No error shall be charged in the following cases:
(a) No error shall be charged against the catcher when after receiving the pitch, he makes a wild throw attempting to prevent a stolen base, unless the wild throw permits the stealing runner to advance one or more extra bases, or permits any other runner to advance one or more bases.
Spalding should have been charged with 3 earned runs not 1.