The LA Lakers and Memphis Grizzlies tipped off their NBA Cup campaigns at the FedEx Forum on Friday. Both teams entered the contest with identical records, having won three of their five games. The Purple and Gold got some key bodies back, with both Luka Doncic and Marcus Smart returning to action after missing multiple games.Doncic and Smart started the game, alongside Austin Reaves, Rui Hachimura and Deandre Ayton. The Grizzlies' starting lineup comprised Ja Morant, Jaylen Well, Jaren Jackson Jr., Kentavious Caldwell-Pope and Jock Landale.Doncic enjoyed a hot start in his comeback game and scored seven quick points. Jake LaRavia picked up from where he left off in the previous game and knocked down two consecutive shots to get the Lakers within a point at 17-16.Jaren Jackson Jr. made all of his first three attempts, while Ja Morant made two shots to keep Memphis' offense flowing.Meanwhile, Doncic’s offensive aggression fueled the Lakers to a 31-27 advantage at the end of the first quarter. The Slovenian superstar tallied 13 points in the opening period.The second quarter started well for the Lakers, but the Grizzlies roared back with a 19-0 run. The Lakers led by as many as eight early in the second quarter, but the game turned on its head. Memphis closed on a big 27-4 run to take a 69-55 lead into the half.The Lakers started the third quarter with an 18-5 run, cutting the deficit to just one point. Doncic and Austin Reaves led the offensive burst, while Marcus Smart was a defensive demon. The Lakers held the Grizzlies to just 22 points in the period after conceding 42 in the second quarter.The Purple and Gold outscored the Grizzlies by 12 points, but Memphis entered the final period with a 91-89 lead. Doncic scored 16 points in the penultimate quarter.Doncic continued to will the Lakers on offense and received good support from his teammates. The Lakers jumped to a 105-97 lead with 6:42 to play after Doncic and Rui Hachimura each knocked down a 3-pointer.The writing was on the wall, and Doncic's impeccable execution in the clutch ensured a 117-112 win for the Lakers. He became the second player in NBA history to start a season with three straight games of at least 40 points.LA Lakers vs Memphis Grizzlies Player Stats and Box Score (Oct. 31)LA LakersPLAYERMINFGMFGAFG%3 PM3PA3P%FTMFTAFT%OREBDREBREBASTSTLBLKTOPFPTSPlus/MinusMarcus Smart34:465862.5142511100033420331212Rui Hachimura38:052450245034750331111497Deandre Ayton16:434666.700011100000000109-17Austin Reaves36:0951435.7282599100044410222115Luka Dončić38:50142751.961540101376.9111126005344-2Jake LaRavia23:145862.51333.32366.71452201013-4Dalton Knecht15:1925401333.3000112110025-10Jaxson Hayes23:21125000002016751101215Jarred Vanderbilt13:3612500100001341010129Memphis GrizzliesPLAYERMINFGMFGAFG%3 PM3PA3P%FTMFTAFT%OREBDREBREBASTSTLBLKTOPFPTSPlus/MinusKentavious Caldwell-Pope24:214757.124502210002250010125Jaren Jackson Jr.31:3068752210012500441002615-4Jock Landale25:236875221002210014511004160Jaylen Wells26:5071643.82922.20104370000216-3Ja Morant30:5831421.406022100011710118-4Santi Aldama26:243122515200004610310227-9Cedric Coward26:1241136.40405683.346103302213-13Cam Spencer18:37365025404410000032012121Vince Williams Jr.17:023933.31616.7000022310257-1John Konchar12:4422100221000000112000163