Cubs’ Keegan Thompson pitching like he belongs

Keegan Thompson has taken strides during his second big-league season.Cubs reliever Keegan Thompson is pitching like somebody who knows they’re in the right place.

“When you first get here it’s like, this is the big leagues,” Thompson said. “You’re not really sure if you belong and then you pitch a little bit, have some success and you feel like you belong and then you get your first taste of rough patches. You have to go through those things and adjust and try to stay even-keeled. I think just having the experience last year, just knowing I can throw here and belong here, just helps the confidence level.”

Right now, Thompson’s confidence level is pretty high less than a month into his second…