Sports

The brilliant Luke Kuechly gave us a searing image of brain trauma

<img class="caas-img has-preview" alt="Photograph: Grant Halverson/Getty Images» src=»https://s.yimg.com/ny/api/res/1.2/YosXJ3fzSaheyRDH0m66oA–/YXBwaWQ9aGlnaGxhbmRlcjt3PTY0MA–/https://media.zenfs.com/en-GB/the_guardian_765/7d771c63e545bf73c02cfe5c9357771f» data-src=»https://s.yimg.com/ny/api/res/1.2/YosXJ3fzSaheyRDH0m66oA–/YXBwaWQ9aGlnaGxhbmRlcjt3PTY0MA–/https://media.zenfs.com/en-GB/the_guardian_765/7d771c63e545bf73c02cfe5c9357771f»>Photograph: Grant Halverson/Getty Images Luke Kuechly, the…