sentences:  He thus became the transfer record in the 50-year history of the Bundesliga.Martínez made his official debut on 2 September – the day of his 24th birthday – coming on as a 77th minute substitute for Bastian Schweinsteiger in a 6–1 home win over VfB Stuttgart.He scored his first goal for his new club against Hannover 96 on 24 November, netting the opener in an eventual 5–0 home triumph through a bicycle kick.