Kyle Hendricks walked off the mound at Wrigley Field on Saturday afternoon, patting his heart and then clapping his glove as a lengthy, rousing ovation continued all around him. When the pitcher reached the dugout,

Aerosmith’s “Sweet Emotion” swelled as Cubs fans rose from their Wrigley Field seats. The song that had so long been associated with Kyle Hendricks’ entrances was playing him off in his last game before testing free agency for the first time — what could be his last game as a Cub.