Complex sentence: After failing to make a first-team appearance, Smith was released shortly after joining and began training with Dundee United in April 2008, appearing as an unused substitute in the final two matches of the season and subsequently signing a one-year contract.
Split into simpler sentences: After failing to make a first team appearance, Smith was released shortly afterwards and began training with Dundee United in April 2008. He appeared as an unused substitute in the final two matches of the season and subsequently signed a one year contract.