🏀 Autographed/Signed Mario Chalmers Miami Black Basketball Jersey JSA COA — The Authenticated Signature of the Two-Time NBA Champion and Point Guard of the LeBron James Miami Heat Dynasty on the Heat's Iconic Black Alternate Jersey

🏀 Mario Chalmers was the point guard on back-to-back NBA championships. The 2011-12 Miami Heat defeated the Oklahoma City Thunder in five games. The 2012-13 Miami Heat defeated the San Antonio Spurs in seven — a series that ended with Ray Allen's corner three-pointer in Game 6 sending the game to overtime and then Miami winning in overtime to force a Game 7, one of the most dramatic moments in NBA Finals history. Chalmers was on the floor for all of it. He was the starting point guard alongside LeBron James, Dwyane Wade, and Chris Bosh — the core of the Heat dynasty that defined the early 2010s conversation about basketball and drew every eye in the sports world to Miami.

🏀 The nickname "Rio" on the back of his Heat jersey became familiar to basketball fans across the country. Mario "Rio" Chalmers had earned that identity through years of playing under pressure, and nothing demonstrated that quality more than what he did before the Miami years even began. In the 2008 NCAA Championship game, with his Kansas Jayhawks trailing Memphis by three points with 2.1 seconds remaining in regulation, Chalmers pulled up and hit a three-pointer that sent the game to overtime. Kansas won in overtime and claimed the national championship. A clutch performance in the highest-pressure moment of the college season — and then he went on to win two NBA championships in Miami. The pressure resume was complete before he turned 25.

🏀 The Miami Heat during the LeBron James era produced one of the most discussed and debated rosters in NBA history. LeBron, Wade, and Bosh were the marquee names, but the players around them — and none more consistently than Chalmers at point guard — shaped how those championship rosters actually functioned. Chalmers ran the offense, defended the opposing team's primary ball-handler, made decisions under pressure in late-game situations, and wore the starting point guard spot for two of the most intensely scrutinized teams in recent NBA history. Two championships. Both his.

🏀 The Miami Black Jersey — JSA Authentication

🏀 The black alternate jersey is the Heat's alternate identity — a departure from the primary red and white that gives the team a different visual presence for select games. Chalmers' signature on this black jersey captures his connection to the Miami uniform in its most dramatic visual form. James Spence Authentication has verified the signature through forensic examination against their database of authenticated exemplars, providing an online-verifiable certificate of authenticity. For Heat collectors building a display of the championship era — the 2012 and 2013 rosters, the players who wore the Heat uniform when championships were won — a Chalmers signed black jersey is the piece that represents the starting point guard on both runs.

🏀 Mario Chalmers. Miami Heat. Black Jersey. Two-Time NBA Champion. JSA COA. Hall of Fame Sports Memorabilia. Condition: NOS.