Actor and 30 Seconds to Mars singer Jared Leto explains his pink mohawk

Rather than just telling me what he had been up to since arriving in Chicago, Jared Leto, sitting backstage at the Aragon Ballroom (1106 W Lawrence St.) on Friday, decided he wanted to show me.

The actor-turned-rocker pulled out a baseball he received earlier that day at the Cubs game and proudly showed me his new souvenir, which was signed by, well, I couldn’t tell who it was signed by.

“It’s No. 40, baby,” Leto said confidently hours before his band, 30 Seconds to Mars, took the stage.

Who’s No. 40?

Leto, switching from confident to embarrassed, shrugged his shoulders and quietly mouthed the words “I don’t know.” Turns out it was Cubs pitcher James Russell, but you can’t expect Leto to know that. H...