Spending big money in free agency is always a gamble, but this instance should serve as a warning.
Free agency can be a time when we see some eye-popping contracts get signed. Every summer, a player or two gets signed to a contract worth way too much money for far too many years--there were two candidates this year, depending on your feelings towards Ivan Provorov and Tanner Jeannot. Thankfully, the Blues don't often fall into the free agency trap, with one glaring exception.