The Red Sox saw Mariano Rivera for the last time in a regular season game at Fenway Park on Sunday, and there was no shortage of moving tributes to the closer.

Although many of the Fenway Faithful will be glad their team no longer has to contend with Rivera, most can’t deny the class, composure and success he has had over the past 19 seasons. Dick Flavin, Fenway Park’s unofficial poet laureate, added to the sentimental night by writing a poem for Rivera, which was placed in the Yankees dugout by the Red Sox before the game, according to Eye on Baseball.

The poem praises Rivera for his class and good nature, while also touting him as the best closer of all time. Check out the poem from Fenway’s own Dr. Seuss below.