The basketball and sports worlds pay tribute to Hall of Fame coach Dr. Jack Ramsay, who passed away Monday morning at the age of 89.

Legendary NBA coach, Jack Ramsay, passed away today after a long battle with cancer. Rest in peace, Dr. Jack -> http://t.co/jSMlgJVQBA — ESPN (@espn) April 28, 2014

RIP to the RipCity legend... Dr Jack Ramsay. #77 — Damian Lillard (@Dame_Lillard) April 28, 2014

RIP to the late great Dr. Jack Ramsay. Legendary, respected, inspiring. You will be missed. #DrJack — THREE (@DwyaneWade) April 28, 2014

Absolutely loved talking hoops and life with Dr. Jack. Great man. He will be missed — Dirk Nowitzki (@swish41) April 28, 2014

A 10-year-old Erik Spoelstra at basketball camp with Dr. Jack Ramsay in 1980. pic.twitter.com/1baacSAYed — Tom Haberstroh (@tomhaberstroh) April 28, 2014

Spoelstra named a play after Jack Ramsay. They ran it last year in Game 7 vs Spurs. Resulted in Wade layup — Shandel Richardson (@ShandelRich) April 28, 2014

Great basketball mind.. Thanks Coach, Dr Jack Ramsay.. pic.twitter.com/x7OEhMP6nl — Reggie Miller (@ReggieMillerTNT) April 28, 2014

Wanna say RIP tithe Great late Dr Jack Ramsay our Nba family will miss u — Paul Pierce (@paulpierce34) April 28, 2014

R.I.P Jack Ramsay.. Great man. The Greatest Hawk ever. He will be missed but never Forgotten. — Jameer Nelson (@jameernelson) April 28, 2014

Anyone who loves SJU basketball has Jack Ramsay to thank. A great man and coach. He will be missed. #RIPDrJack — Saint Joseph's (@saintjosephs) April 28, 2014

Dr. Jack Ramsay, captain of the St. Joseph's basketball squad in 1949. RIP. pic.twitter.com/9DZJfYFQkv — Andy Gray (@si_vault) April 28, 2014

Larry Bird on Dr. Ramsay: "Jack was a great man, and I don't use that term lightly. His contributions to the game...will endure forever." — Steve Bulpett (@SteveBHoop) April 28, 2014

We lost a giant of a man last night. Dr Jack Ramsay died at 89 yrs old. Anyone who has ever touched a basketball should say a prayer.#LEGEND — Geno Auriemma (@genoauriemma) April 28, 2014

So sad to hear of Dr.Jack Ramsay passing. Class, grace, loyalty, brilliance and heart barely begin to describe him. Prayers to his family. — MikeTirico (@miketirico) April 28, 2014

SO lucky to work w/the gracious legend who coached my fave team as a kid. W/apologies to Sly, Dr. Jack will always be the real Rambo to me — Marc Stein (@ESPNSteinLine) April 28, 2014

So sad to learn about Dr. Jack Ramsay. What a wonderful life. And he always had time for young 'uns like me. http://t.co/TgMASSghiZ — John Hollinger (@johnhollinger) April 28, 2014

Rest in peace Jack Ramsay: One of the best coaches the NBA has ever known, and one of the finest gentlemen too. — Steve Kerr (@SteveKerrTNT) April 28, 2014

Can't stop the tears..some of my fav broadcasting memories..workin w Dr. Jack Ramsay..jus LISTENING 2him talk hoops. Love you Dr Jack. #RIP — Stuart Scott (@StuartScott) April 28, 2014

When I was at ESPN, one of the best things was talking hoops with Jack Ramsay. He was, literally, a scholar & a gentleman, and that (more) — David Aldridge (@daldridgetnt) April 28, 2014

Going to miss friend Dr Jack Ramsay.Grew up watching him coach NBAs Buffalo Braves.Worked with him at @ESPN.Hall o Fame Coach,better guy.RIP — MarkJonesESPN (@MarkJonesESPN) April 28, 2014

Micky Arison on Jack Ramsay,"Over the years I often turned to him for advice and he will be sorely missed by us all. My deepest sympathies." — Ira Winderman (@IraHeatBeat) April 28, 2014

Jack Ramsay is the kindest, most authentic championship coach of a big-time sports team I've ever known. Prayers to him and his family. — Mike Wise (@MikeWiseguy) April 28, 2014