Giannis Antetokounmpo’s season ended when the Milwaukee Bucks lost 119-118 in overtime to the Indiana Pacers on Tuesday. The Bucks led 118-111 with 40.0 seconds remaining before wilting in the face of the Pacers’ relentless pressure. Milwaukee’s disappointing end heightened rumors around the two-time MVP’s future in the franchise that drafted him in 2013.On Sunday, the "Greek Freak" shared a photo of himself on Instagram with a Bucks shirt showing the message “Win for Cream City.” View this post on Instagram Instagram PostDallas Mavericks owner Mark Cuban’s son, Jake Cuban, promptly reacted to the post:“Buddy’s long gone 😂”Mark Cuban's son, Jake Cuban, is convinced Giannis Antetokounmpo's days with the Milwaukee Bucks are over. [photo: @giannis_an34/IG]Cuban’s youngest child is no stranger to shocking trades. A confessed Luka Doncic fan, he watched the Mavericks send his favorite player to the LA Lakers in early February. The 15-year-old wrote on Instagram following the Doncic trade:“Rockin 77 till I die.”Jake Cuban wrote on Instagram after the Luka Doncic trade in February. [photo: @jake_cuban/IG]Mark Cuban’s son is convinced Giannis Antetokounmpo is the next superstar to have a change of scenery. Jake is not the only basketball fan who thinks the superstar forward’s days with the Bucks are done. Multiple NBA insiders also believe the Antetokounmpo era in Milwaukee has come to an end.Giannis Antetokounmpo’s three-year, $175.3 million extension will start next seasonThe rumors about Antetokounmpo’s future could be moot if the Milwaukee Bucks are interested in keeping him. Following the two-time MVP’s jaw-dropping series against the Indiana Pacers, they should regroup and retool the roster around the Greek superstar.The Bucks have control over Antetokounmpo for at least the next two years. He signed a three-year, $175.3 million deal in October with a player option heading into the 2027-28 season, per Spotrac. Unless the Bucks trade him or Antetokounmpo forces his way out, he should remain a staple with the team until at least the summer of 2027.Instead of trading Giannis Antetokounmpo, the Bucks could revamp the lineup by allowing Brook Lopez, who struggled in the playoffs, to go. Unless he is willing to stay for a veteran’s minimum, they should look for a younger alternative than the veteran center.Bobby Portis, Pat Connaughton and Kevin Porter Jr. have player options. Regardless of what they do, the Bucks have some wiggle room to upgrade the supporting cast. Keeping Giannis Antetokounmpo should be paramount if they want to remain relevant.