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Ryan O'Byrne has had his fair share of mental lapses this postseason.
Giveaways, poor defensive positioning and costly breakdowns have killed the Leafs this postseason.
Goals like Daniel Paille's shorthanded tally and Rich Peverley's quick one-timer were both products of poor giveaways and mental breakdowns.
Even the overtime winner from David Krejci in in Game 4 was caused by a mental lapse from Dion Phaneuf, as well as poor defensive positioning from Ryan O'Byrne, who did not step in to block his shot or take it off of his stick.
Those kinds of mistakes come back to haunt you more often than not in the postseason.
Heck, it seems that every time Toronto makes one of those errors, it's ends up behind James Reimer.
Relying on chance isn't good enough when you have to win three straight games. The only way for Toronto to bolster its chances of taking Games 5, 6 and 7 is to eliminate those mistakes from its games altogether.