Brandon Jennings has warned Patrick Beverley after his electric appearance at the SLAM Summer Classic alongside former Aces player Deja Kelly. On Monday, a video of Jennings balling out at the SLAM Summer Classic surfaced online on Instagram.In the video, the former Knicks guard is seen showing off his moves on the court. He looks fit and athletic as he makes tough, contested shots against the defenders guarding him. View this post on Instagram Instagram PostAfter looking at Jennings' highlight clip, Gilbert Arenas fuelled the beef between the former Knicks guard and Patrick Beverley."🔥🔥🔥 @patbev21 u aint ready," Arenas commented.Jennings ceased on the opening created by Arenas and fired his shot at the former Bucks guard, who is trying to make an NBA comeback."@nochillgil if he trying to get back in the league he should be careful I’m starting to feel like the old me," Jennings responded to Gilbert Arenas.Jennings slams at Patrick Beverley's NBA return. (Credits: @shotbycozy/Instagram)Despite the provocation online, Pat Bev has remained silent on the subject.What is the beef between Brandon Jennings and Patrick Beverley?The beef between Brandon Jennings and Patrick Beverley started in March. During a playback recording with podcaster Gilbert Arenas, Jennings called out several ex-NBA players in a conversation about the players he thought he could defeat in a one-on-one scenario.The former Knicks guard did not mention Patrick Beverley in his intial call out. However, the former Bucks guard built on Jennings' statements and suggested an idea of a one-on-one tournament featuring professional hoopers and ex-hoopers.Patrick Beverley @patbev21LINKa lot of former players like Lou Will, Brandon Jennings and Ty Lawson are talking 1 on 1 basketball. We want to host a 1 vs 1 PPV like a boxing card, with undercard matchups and sponsorships. It would be like a Rough N Rowdy but for basketball. @PatBevPod Luv Gang❤️After Beverley's suggestion, Jennings called out the former Bucks guard and said that he shouldn't be in this conversation as he never averaged 10-points in his entire career. Pat Bev fired back at Jennings and said that he averaged the same points as former Knicks guard in the postseason and had an upper hand in rebounds and assists.Barstool Sports @barstoolsportsLINK“Lou Williams, Jeff Teague, Brandon Jennings, Ty Lawson, every one of them motherfuckers know…you get on the court with me and I’m gonna dog y’alls ass.” @patbev21 isn’t ducking any smoke @PatBevPodThe beef escalated when the former NBA players appeared on a "Gil Arenas" playback livestream. During their appearance, Jennings doubled down on his claim that Beverley had never averaged 10 points in his career. Later, the former Bucks guard challenged Brandon Jennings to a one-on-one game."Alright, let's just be regular hoopers, then. Let's play," Beverley said."You can't insert yourself into nothin' you ain't qualified for," Jennings fired back later.While the beef lit the competitive fire in both athletes, they have yet to face off in an official game.