Look back on his career with The Blues in our gallery of pictures from his time at Fratton Park.
. Matt Clarke
Pompey defender Matt Clarke Photo: Joe Pepler
. Matt Clarke signs from Pompey on loan after a trial
Ipswich Town teenage defender Matt Clarke joined Portsmouth on loan on August 3, 2015, after spending July on trial with The Blues. Here he is in action during a pre-season game against Gillingham with Bradley Dack chasing him down. Photo: Joe Pepler
. Matt Clarke makes his Pompey debut
Matt Clarke made his debut during Pompey's first game of the League Two 2015/16 season on August 8, 2015, against Dagenham & Redbridge at Fratton Park. Photo: Barry Zee
. Matt Clarke in action in Capital One cup
Matt Clarke of Portsmouth tries to tackle Simon Dawkins of Derby County during the Capital One Cup First Round match between Portsmouth v Derby County at Fratton Park on August 12, 2015 Photo: Getty Images
. Clarke commits loan future to Pompey
Matt Clarke in action against Northampton in December 2015, his loan was due to come to an end at the start of 2016, however he committed his loan future to The Blues and signed until the end of the season. Photo: Joe Pepler
. Clarke scores his first goal for Pompey
Matt Clarke got his first goal of his Pompey career during the Sky Bet League 2 match between Portsmouth and Crawley Town at Fratton Park, Portsmouth, England on January 2, 2016. Photo: Joe Pepler
. Matt Clarke signs permanently for Pompey
In the summer of 2016, Clarke made his loan switch to Portsmouth from Ipswich permanent as part of swap deal that saw Adam Webster head to Portman Road. Photo: Joe Pepler
. Clarke and Burgess become rock at the back
Throughout the 2016/17 League Two season Matt Clarke formed a defensive partnership with Christian Burgess, which helped Pompey to the best defensive record in the league that season. Photo: Joe Pepler
. Clarke scores his second Pompey goal
Matt Clarke bagged his second goal for Pompey during a 2-0 win over Accrington Stanley at Fratton Park on February 11, 2017. Photo: Joe Pepler
. Pompey win League Two title
Pompey players, including Matt Clarke (back row) celebrate winning the League Two title after a dramatic final day 6-1 win over Cheltenham Town at Fratton Park on May 6, 2017. Photo: Joe Pepler
. Matt Clarke scores in Checkatrade Trophy
Clarke certainly enjoyed scoring against Crawley Town in his Pompey career - here he is celebrating after scoring against them in Checkatrade Trophy on Tuesday, October 3, 2017 at Fratton Park Photo: Joe Pepler
1. Matt Clarke signs from Pompey on loan after a trial
Ipswich Town teenage defender Matt Clarke joined Portsmouth on loan on August 3, 2015, after spending July on trial with The Blues. Here he is in action during a pre-season game against Gillingham with Bradley Dack chasing him down. Photo: Joe Pepler
2. Matt Clarke makes his Pompey debut
Matt Clarke made his debut during Pompey's first game of the League Two 2015/16 season on August 8, 2015, against Dagenham & Redbridge at Fratton Park. Photo: Barry Zee
3. Matt Clarke in action in Capital One cup
Matt Clarke of Portsmouth tries to tackle Simon Dawkins of Derby County during the Capital One Cup First Round match between Portsmouth v Derby County at Fratton Park on August 12, 2015 Photo: Getty Images
4. Clarke commits loan future to Pompey
Matt Clarke in action against Northampton in December 2015, his loan was due to come to an end at the start of 2016, however he committed his loan future to The Blues and signed until the end of the season. Photo: Joe Pepler