Jágr was the No. 5 overall pick in the 1990 NHL Draft by the Pittsburgh Penguins.
The brothers were killed when they were struck by an alleged drunk driver while biking.
Bowman, along with Al MacIsaac and Joel Quenneville, were reinstated by the NHL on July 1.
Stamkos scored 555 goals in 16 years with the Lightning, helping the franchise to back-to-back Stanley Cup titles.