An explosive press conference between Khamzat Chimaev and Sean Strickland spilled over into violence on Thursday, as the Russian kicked the American ahead of UFC 328. On Saturday night , Chimaev will defend the middleweight title against ex-champion Strickland, following an intense build-up between the former training partners. Numerous insults have been traded , and Chimaev even leaked footage of one of their past sparring sessions , with fans ultimately expecting violence when the pair got close during fight week. UFC middleweight champion Khamzat Chimaev pictured in 2022 (Getty) Sure enough, that materialised on Thursday, as the pre-fight press conference ended with Chimaev kicking Strickland during the face-off, leading security to hold back an incensed Strickland and a taunting Chimaev. The Russian, 32, formed his hand into the shape of a gun and pointed it at Strickland, 35, who recently threatened to shoot Chimaev.…