"He's thrown [bullpen sessions] here, we did get to see him organizationally in the instructional league and [Arizona] Fall League, so we've seen a fair bit of him, all things considered," Reds manager Bryan Price said.
During the AFL season, Iglesias worked seven games with seven scoreless innings, allowing one hit, three walks and seven strikeouts.
Iglesias, 25, is a candidate for one of the two open spots in the Reds' big league rotation. It's also possible he could be used as a reliever, which was his role when he pitched in Cuba.
"There's always a chance, if he'll help us better in the bullpen, we'll use him as a relief pitcher, but that would be without quitting on him as a starter," Price said. "We really do fancy him as a starter at this point."
Other items of note from Thursday at Reds camp:
• Other Reds pitchers who had bullpen sessions included rotation candidates Tony Cingrani, Anthony DeSclafani and Jason Marquis, and Daniel Corcino, Matt Magill, Carlos Contreras, Amir Garrett and 2014 first-round Draft pick Nick Howard.
• Pitchers not scheduled to work from mounds worked on general fundamentals and fielding practice.
• Before the workout, all 40 pitchers and catchers in camp underwent physicals and a team meeting was held with Price.
• Two more position players arrived early in All-Star third baseman Todd Frazier and outfield prospect Yorman Rodriguez.
• When catcher Brayan Pena, a big football fan and supporter of the Patriots, entered the clubhouse Thursday morning, he yelled at reliever Sean Marshall for winning last year's team fantasy football league. Marshall smiled, opened his locker and produced two large championship belts -- because he's now the team's two-time defending champ. Former Reds starter Mat Latos came in last place this past season. Marshall showed what Latos will soon receive -- a small trophy in the shape of a toilet.