The 27-year-old has spent the previous two seasons with the Los Angeles Kings as their Manager of Hockey Operations and Legal Affairs. While with the Kings, Mpofu assisted with player contract negotiations, managed salary cap and collective bargaining issues, managed the Kings' analytics staff and assisted with employment contracts for the Kings and the Ontario Reign, their AHL affiliate. During his time in Los Angeles, the Kings compiled a 91-52-21 record, good for a .629 points percentage.