He later switched to Head Ti Radical racket and Head's LiquidMetal Radical racket, having signed a multimillion-dollar endorsement deal with Head in 1993.
hiː lˈeɪɾɚ swˈɪtʃt tə hˈɛd tˈaɪ ɹˈædɪkəl ɹˈækɪt ænd hˈɛdz lˈɪkwɪd mˈɛɾəl ɹˈædɪkəl ɹˈækɪt, hˌævɪŋ sˈaɪnd ɐ mˌʌltɪmˈɪliəndˈɑːlɚɹ ɛndˈoːɹsmənt dˈiːl wɪð hˈɛd ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti θɹˈiː.