With the Indians' 4-3 victory over the Red Sox on Monday, Boston was knocked out of the postseason. The Red Sox dropped all three American League Division Series games, but Monday night also marked what could be considered a more devastating loss to Boston, and the baseball world as a whole.

David Ortiz — a.k.a. Big Papi, the Red Sox slugger who announced he would retire after this season — played the last game of his career.

In 13 seasons with the Red Sox, Ortiz won three World Series titles, was named to ten All-Star Games and captured the Silver Slugger Award six times.

He is one of the most iconic players in Boston Red Sox history, and bid an emotional farewell to the fans who stuck around Fenway Park after Monday night's loss. Surrounded by photographers, Big Papi made his way out to the mound, where he tipped his cap and acknowledged the thousands of fans still in each section. He walked off the mound and descended the dugout steps to chants of "Papi! Papi! Papi!"

A few notable names made sure to pay their respects publicly.

Thanks for a great season, @RedSox! This will ALWAYS be your city, @davidortiz. — Elizabeth Warren (@elizabethforma) October 11, 2016

The best clutch hitter I ever played against. Congrats on an amazing career. #ThanksPapi https://t.co/WNrmYbmOjO — Alex Rodriguez (@AROD) October 11, 2016

Take a look back on Ortiz's legendary career with some of his most defining moments, like his walk-offs on back-to-back nights against the Yankees in 2004 and the time he destroyed a dugout phone.

Ortiz's importance to Boston transcends baseball. The sport will miss him. The city will miss him even more.