Munster have confirmed the retirement of Brian Scott and the departure of Seán O'Connor, Darren O’Shea and Ciaran Parker from the province at the end of the season.
Scott, who last lined out for the province in November 2018, has been advised to retire on medical grounds due to a foot ligament injury sustained while in AIL action for Cork Constitution in December 2018.
A product of PBC and Dolphin, the prop joined the Greencore Munster Rugby Academy in 2013 and scored two tries in 26 appearances for the province.
The former Ireland U20 international made his senior debut against Scarlets in September 2016 and his Champions Cup debut against Glasgow at Thomond Park the following month.
In 2017, the 27-year-old started every game of Munster A’s British and Irish Cup-winning campaign, and lined out for the Barbarians against Tonga at Thomond Park
Scott is expected to take up a coaching role with one of the province’s AIL clubs next season.
Scott said: "I’m devastated to be finishing my career prematurely. The last 15 months have been incredibly testing and unfortunately I did not come out on the right side of it.
"I have tried and given everything to this and done everything possible to regain full fitness. I have huge gratitude for the physios and the doctors for everything they did for me.
"It was a childhood dream of mine to play for Munster Rugby and I’m incredibly proud to say I got to do so. I grew up attending Munster matches with my grandad and the club and its fans will always have a special place in my heart. I am first and foremost a Munster man."
Munster Head Coach Johann van Graan said: "I want to wish Brian all the best for the future and thank him for everything he has done for Munster."It's a difficult time for any player to have to finish early through injury, but Brian should be very proud of everything he has achieved in representing the province."
Academy graduate Seán O’Connor, who can play in the second row and back row, made nine Munster appearances after earning his debut against the Maori All Blacks in 2016.
A product of Cashel RFC and Rockwell College, the 23-year-old helped the Ireland U20s to the runners-up spot at the 2016 Junior World Championship and has lined out extensively for Garryowen in the AIL this season. He will play Championship rugby in England next season.
Lock Darren O’Shea scored two tries in 44 Munster appearances.
He made his debut against Edinburgh in September 2016 after coming through the Munster academy and spending two years with Worcester Warriors.
A product of Crosshaven RFC, the 27-year-old played a key role in Munster A’s successful British & Irish Cup campaign in 2017.
Tighthead prop Ciaran Parker (24) made 13 appearances for Munster after joining from Sale Sharks in 2017.
The former England U20 international, Parker made his Munster debut against Benetton Treviso in September 2017. Parker will join O’Connor in playing in the English Championship next season.
Head Coach Johann van Graan said: "I would like to take this opportunity to thank Ciaran, Darren and Sean for their time with the province.
"We wish them all the best with their future rugby careers and wish them continued success."