more offensive game and has also worked to improve his second serve, forehand, consistency and mental game which have all been crucial to his further success. Endorsements and equipment In 2009, German manufacturer Adidas and Murray signed a five-year-deal worth £30 million. This included wearing their range of tennis shoes. The contract with Adidas allowed Murray to keep his shirt sleeve sponsors Shiatzy Chen, Royal Bank of Scotland and Highland Spring. Before he was signed by Adidas in late 2009, he wore Fred Perry apparel. At the end of their contract together Adidas decided not to re-sign with Murray, and he began a 4-year partnership with athletic apparel company Under Armour in December 2014, reportedly worth $25 million. Murray signed with Castore for the 2019 season which Murray called his last deal before announcing his retirement. Murray uses Head rackets, and regularly appears in advertisements for the brand. He endorses the Head Radical Pro model, whereas his actual playing racket (underneath the various Radical Pro paintjobs) is reported to be a customized pro stock PT57A, derived from the original Pro Tour 630 model, but with a 16×19 string pattern. The racquet used to be set up extremely heavy at the beginning of his career, but after a 2007 wrist injury its weight was lowered. In June 2012, the Swiss watch manufacturer Rado announced that Murray had signed a deal to wear their D-Star 200 model. Coaches Murray's coach has changed through the years, as follows: Leon Smith (1998–2004), Pato Álvarez (2003–2005), Mark Petchey (2005–2006), Brad Gilbert (2006–2007), Miles Maclagan (2007–2010), Àlex Corretja (2010–2011), Ivan Lendl (2011–2014, 2016–2017, 2022–), , Jonas Björkman (2015), Jamie Delgado (2016–2021). In 2022 he was coached for a short while by Dani Vallverdu; Ivan Lendl has been his coach since March 2022. Charitable work Murray is a founding member of the Malaria No More UK Leadership Council and helped launch the charity in 2009 with David Beckham. Footage from the launch at Wembley Stadium can be seen on YouTube and the charity's website. Murray also made 'Nets Needed', a short public service announcement, for the charity to help raise awareness and funds to help in the fight against malaria. Murray has also taken part in several charity tennis events, including the Rally for Relief events that took place before the start of the 2011 Australian Open. In June 2013, Murray teamed up with former British No.