By Nathan Ridley Alan Brazil has denied claims that he missed his talkSPORT breakfast show on Friday because he enjoyed an all-day bender at the Cheltenham Festival. The ex-Manchester United and Tottenham forward was absent from Friday morning’s broadcast, forcing radio legend Chris Evans to step in. Brazil, 64, had been supposed to present the build-up to Cheltenham’s Gold Cup day from 6am to 10am and listeners soon speculated that his absence was alcohol-related. But the former Scotland international has scoffed at those suggestions, listing four others reasons as to why he missed work. They…