Complex sentence: The Calgary Flames, Edmonton Oilers and New York Islanders each invited Van Brabant to participate in their summer development camps; he spent time working out with both Alberta teams before returning to Quinnipiac for his junior season in 2013--14.
Split into simpler sentences: The Calgary Flames, Edmonton Oilers and New York Islanders each invited Van Brabant to participate in their summer development camps. He spent time with both Alberta teams before returning to Quinnipiac for his junior season in 2013--14.