The NASCAR community is mourning the sudden death of Kyle Busch, a significant figure in the sport, particularly felt by his longtime rival and teammate, Denny Hamlin. Hamlin took to social media to express his shock and grief, stating, "Absolutely cannot comprehend this news" and emphasizing the importance of supporting Busch's family during this time. The two drivers, who raced together at Joe Gibbs Racing, were known for their intense rivalry and mutual respect, often pushing each other to excel. They ranked closely on the all-time Cup Series wins list, with Busch at ninth and Hamlin at tenth. Their rivalry was marked by competitive tension, as seen in their public exchanges about performance issues leading up to Busch's passing. Hamlin acknowledged that despite their disagreements, Busch had a profound impact on his racing career, particularly in mastering mile-and-a-half tracks. With Busch's death, one of NASCAR's most entertaining rivalries has come to an end, leaving a significant void in the sport.