From the Chicago Cubs twitter feed Thursday, July 6th.
Thanks to Chicago-area native actor/producer William Petersen for joining us today. And staying with us today. pic.twitter.com/dBzIV9nSgn
— Chicago Cubs (@Cubs) July 6, 2017
Billy was also on the Spiegel & Parkins show yesterday morning, you can download his interview from their website – he appears on the Hour 2 link for Wednesday, July 5th.