George Brett is remembered today for many things. Th13-time All Star  won three batting titles, three Gold Glove Awards and was the 1980 American League Most Valuable Player.

Despite all the accomplishments, the singular moment for which he is best known in the pine tar game.

It happened on July 24, 1983, at at Yankee Stadium. Brett came to bat with two out in the top of the ninth with the Royals down 4-3. He slammed a two-run homer to give Kansas City the lead.

Yankees skipper Billy Martin was lying in wait. Earlier in the season Martin noticed that Brett used pine tar on his bat all the way to the start of the barrel. MLB rules of the time stipulated that the substance could be be affixed on only the first 17 inches of the bat – the width of home plate.

Per the rulebook, the use of an illegal bat results in an automatic out. The Yankee skipper waited until after Brett circled the bases to appeal to home plate umpire Tim McClelland who declared Brett the third out of the ninth, thereby ending the game.

Though the umpires were correct in their application of the rule, Royals’ GM John Schuerholz appealed the decision to American League President Lee MacPhail who overruled the on-field decision. In this letter MacPhail writes about his reasoning and discusses his reluctance to supersede the his umpires’ decision.

George Brett’s singular most memorable moment in the big leagues was the Pine Tar incident. On July 24, 1983, he hit a two-out ninth inning homer off of Hall of Famer Goose Gossage to give the Royals a 5-4 lead.

New York manager Billy Martin appealed the play citing a rule that a foreign substance can extend no more than 17 inches from the knob. Home plate umpire Tim McClelland ultimately ruled Brett out and chaos ensued.

Here are McClelland’s thoughts in which he strongly defends the decision of him and his crew. This provides a besides a behind-the-scenes look into one of the most recognizable plays in the history of the decade.

After George Brett’s homer was wiped away by the umpires, KC GM John Schuerholz had to file a letter of formal protest. Shown here is a questionnaire in which Schuerholz writes of the protest letter and the events surrounding the Pine Tar game.

Interesting to note that the 9th inning was replayed and that, “Yankee Stadium was virtually empty for an early afternoon, midweek make up…”

Schuerholz was voted into the Hall of Fame in 2017.

Longtime executive Lee MacPhail joined his father in 1998 when he was voted into the Hall of Fame. The pair remains the only father-son duo in Cooperstown.

Shown here is a handwritten reflection from the junior MacPhail about his role in the Pine Tar decision. The focus of the letter is the spirit of the rule. He felt the pine tar did not affect the flight of the ball and therefore allowed the homer to stand.

George Brett played his entire career in Kansas City, making the All Star game 13 consecutive times over the course of his 21-year career.

The only player to earn a batting title in three different decades, Brett is one of the greatest third basemen in the history of the game. A career .305 hitter, Brett averaged a career-high .390 in his MVP year of 1980.

Shown here is a typed letter on Royals letterhead in which Brett shares his favorite quote.