The following story appears in Sunday’s edition of The Eagle Tribune NORTH ANDOVER — Back in the fall, before the Merrimack hockey season even began, Merrimack defenseman Liam Dennison thought his season might be over. “We were doing a drill in practice and I went into a corner and got hit up against the boards,” he said. “I just got fallen on. It wasn’t anyone’s fault, it was just a freak thing.”