Complex sentence: He left "The Jags" at the end of the 2014--15 season and, on 22 June 2015, signed a two-year contract at English League Two club Luton Town.
Split into simpler sentences: He left "The Jags" at the end of the 2014--15 season. On 22 June 2015, signed a two-year contract at English League Two club Luton Town.