Erentz remained with Tottenham for six years, making appearances in 130 Southern League games and over 250 games overall, including the 1901 FA Cup Final and replay against Sheffield United, helping Spurs to become the first club from outside The Football League to win the FA Cup. In December 1904, Erentz was transferred to Swindon Town, for whom he made 16 appearances before retiring through injury. He later became the trainer for London side Corinthians.