Craig Breslow acknowledges ‘risk’ involved with Garrett Crochet’s contract

Garrett Crochet and the Red Sox agreed to terms on a new deal this week. (Danielle Parhizkaran/Globe Staff)It’s hard to ignore Garrett Crochet’s stuff on the mound.

The 25-year-old lefty’s knack for punching out batters with a blistering fastball, biting cutter, and elusive sweeper was the primary reason why Boston decided to hand its new ace a six-year, $170 million contract extension this week.

But even if Crochet’s new deal isn’t as hefty as some of the other mega-deals doled out in recent years like Yoshinobu Yamamoto (12 years, $325 million), Gerrit Cole (nine years, $324 million), and Corbin Burnes (six years, $210 million), there’s still some risk involved with Crochet’s new deal.

While…