MacKinnon scored at 3 : 57 on a slap shot for a 1 - 0 lead and his 100th career point .
MacKinnon had his first career hat trick Sunday in a win over Tampa Bay .
MacKinnon , who had his first career hat trick Sunday in a win over Tampa Bay , scored at 3 : 57 on a slap shot for a 1 - 0 lead and his 100th career point .