"This guy, he was fearless," Acta said. "He came in and he wasn't intimidated at all."
In his brief tour with the Tribe, the 26-year-old Pestano posted a 3.60 ERA, striking out eight hitters in five innings of work. That followed an impressive season spent between Double-A Akron and Triple-A Columbus. In 57 combined games, Pestano fashioned a 1.81 ERA with 17 saves and 77 strikeouts in 59 2/3 innings.
The year before, a right elbow injury ended Pestano's season in July.
"He's a guy that last year was monitored very close," Acta said. "The gloves are off and we'll see what he brings to the table again."
Pestano, selected by Cleveland in the 20th round of the 2006 First-Year Player Draft, is competing for one of the two vacancies in the Indians' bullpen this spring.