Zech was sent to the Blackhawks from the Flyers on Wednesday in exchange for Evan Barratt, Ben Pope of the Chicago Sun-Times reports.
Zech (upper body) will miss training camp and is expected to be out 6-8 weeks, Lehigh Valley Phantoms announcer Bob Rotruck reports.
Zech will join HK Nitra (Slovakia) for the beginning of the 2020-21 campaign, freelance hockey writer Mark Divver reports.
Zech has earned the praise of coach Bruce Cassidy, who likes the young blueliner's instincts and competitiveness, Joe McDonald of The Athletic reports.
Zech has signed a two-year deal with AHL Providence, Mark Divver of The Providence Journal reports.