With his contract due to expire in the summer of 2015, he was offered a new four-year deal by the club in September 2014. On 14 October, Grealish signed a new four-year contract with Aston Villa. Grealish made his first start in an FA Cup third round tie on 4 January 2015 against Blackpool at Villa Park, which his team won 1–0. He played 75 minutes before being substituted for Andreas Weimann. On 7 March, in the sixth round, a 2–0 home win over West Bromwich Albion, he replaced Charles N'Zogbia after 74 minutes, and was sent off for a second booking for diving in added time. On 7 April, Grealish started his first match for Aston Villa in the Premier League, a 3–3 home draw against Queens Park Rangers in which his performance was highly praised. In the FA Cup semi-final against Liverpool at Wembley Stadium, Grealish played a part in both of Villa's goals including assisting Fabian Delph's winner, as they came from behind to advance to the final. On 30 May, Grealish played the entirety of the 2015 FA Cup Final at Wembley Stadium, as Villa lost 4–0 to Arsenal.