Tianlang, who beat the previous record held by Italy's Matteo Manassero, who was nearly 17 when he set the previous mark in 2010, bogeyed his first but responded swiftly with a birdie at the third.

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That's slightly better than Di Matteo's 52% in his 23 games in charge and his predecessor Andre Villas-Boas's 48%.

WSJ: Rafa Benitez Era at English Soccer's Chelsea a Mixed Bag

Few would have anticipated that scenario when he inherited the role following Roberto Di Matteo's departure.

BBC: Youssouf Mulumbu