FILE: Don Nelson, who won five NBA titles as a player with the Boston Celtics, and went on to be named Coach of the Year three times, has died at the age of 86. 26 Feb 2001: Head Coach Don nelson of the Dallas Mavericks reacts to the action during the game against the Los Angeles Clippers at the Staples Center in Los Angeles, California. The Mavericks defeated the Clippers 103-92. NOTE TO USER: It is expressly understood that the only rights Allsport are offering to license in this Photograph are one-time, non-exclusive editorial rights. No advertising or commercial uses of any kind may be made of Allsport photos. User acknowledges that it is aware that Allsport is an editorial sports agency and that NO RELEASES OF ANY TYPE ARE OBTAINED from the subjects contained in the photographs.Mandatory Credit: Christopher Ruppel /Allsport

FILE: Don Nelson, who won five NBA titles as a player with the Boston Celtics, and went on to be named Coach of the Year three times, has died at the age of 86. 30 Dec 2000: Head Coach Don Nelson of the Dallas Mavericks reacts to the referee call during the game against the Houston Rockets at the Reunion Arena in Dallas, Texas. The Rockets defeated the Mavericks 114-99. NOTE TO USER: It is expressly understood that the only rights Allsport are offering to license in this Photograph are one-time, non-exclusive editorial rights. No advertising or commercial uses of any kind may be made of Allsport photos. User acknowledges that it is aware that Allsport is an editorial sports agency and that NO RELEASES OF ANY TYPE ARE OBTAINED from the subjects contained in the photographs.Mandatory Credit: Ronald Martinez /Allsport

FILE: Don Nelson, who won five NBA titles as a player with the Boston Celtics, and went on to be named Coach of the Year three times, has died at the age of 86. 17 Nov 2000: Head Coach Don Nelson of the Dallas Mavericks yells from the sidelines during the game against the Seattle SuperSonics at the Key Arena in Seattle, Washington. The Mavericks defeated the Sonics 99-95. NOTE TO USER: It is expressly understood that the only rights Allsport are offering to license in this Photograph are one-time, non-exclusive editorial rights. No advertising or commercial uses of any kind may be made of Allsport photos. User acknowledges that it is aware that Allsport is an editorial sports agency and that NO RELEASES OF ANY TYPE ARE OBTAINED from the subjects contained in the photographs. Mandatory Credit: Otto Greule Jr. /Allsport

TOPSHOT - Thomas Reber with Arrivederci Diameant warms up before the first trotting race during the 90th Duhner Wattrennen horse race event in the mudflats of the Elbe estuary during low-tide in Cuxhaven-Duhnen, Germany, on August 9, 2026. The 90th Duhner Wattrennen in the Wadden Sea at the mudflats of the Elbe river is a horse race held on the seabed during low tide. (Photo by FOCKE STRANGMANN / AFP via Getty Images)

TOPSHOT - Trotters compete at the first trotting race during the 90th Duhner Wattrennen horse race event in the mudflats of the Elbe estuary during low-tide in Cuxhaven-Duhnen, Germany, on August 9, 2026. The 90th Duhner Wattrennen in the Wadden Sea at the mudflats of the Elbe river is a horse race held on the seabed during low tide. (Photo by FOCKE STRANGMANN / AFP via Getty Images)

Trot races warm up before a race in front of the incoming container ship Cosca Shipping Seine during the 90th Duhner Wattrennen horse race event in the mudflats of the Elbe estuary during low-tide in Cuxhaven-Duhnen, Germany, on August 9, 2026. The 90th Duhner Wattrennen in the Wadden Sea at the mudflats of the Elbe river is a horse race held on the seabed during low tide. (Photo by FOCKE STRANGMANN / AFP via Getty Images)

Trot riders compete compete during the 90th Duhner Wattrennen horse race event in the mudflats of the Elbe estuary during low-tide in Cuxhaven-Duhnen, Germany, on August 9, 2026. The 90th Duhner Wattrennen in the Wadden Sea at the mudflats of the Elbe river is a horse race held on the seabed during low tide. (Photo by FOCKE STRANGMANN / AFP via Getty Images)

Trot racers compete in front of the island of Neuwerk during the 90th Duhner Wattrennen horse race event in the mudflats of the Elbe estuary during low-tide in Cuxhaven-Duhnen, Germany, on August 9, 2026. The 90th Duhner Wattrennen in the Wadden Sea at the mudflats of the Elbe river is a horse race held on the seabed during low tide. (Photo by FOCKE STRANGMANN / AFP via Getty Images)