Former Okotoks Dawg will have a new home in the majors this coming season.
Henderson, 33 will be playing up the defending National League Champions the New York Mets.
Henderson signed a minor league deal with the club last week.
The Calgary native has appeared in 111 games sporting a 8-9 record with a 3.44 ERA and has 31 saves to his credit.
He was the Milwakee Brewers closer in 2013 but spent all of the 2014 season on the shelf due to shoulder surgery.