Despite the injury, manager Sheringham has confirmed that he is keen to extend the loan spell for the rest of the season.
Seurajoukkueuran tilastot kattavat vain kansalliset sarjat, päivitetty 5. syyskuuta 2016. Nimi-testi OK
Having represented Finland at U17, U19 and U21 level, Joronen was called up to the senior squad and made his debut for Finland in the 2013 King's Cup against Thailand on 24 January 2013.
"We're here for him to progress but for him to help us, that works hand in hand," the Boro boss told BBC Three Counties Radio.
The 2015/16 campaign saw Jorenen move to League 2 side, Stevenage on a 6 month loan deal in late August. Despite his loan deal being cut short after suffering a thigh injury. Boro boss, Teddy Sheringham was full of praise for the stopper. Joronen’s season will be best remembered for his goal against Wycombe in a 2-1 victory, where he scored from just outside his own box.
Joronen will be eligible for Saturday's trip to Stevenage, subject to Football League approval.
At the start of the 2014-15 season, Joronen signed a two-year contract with the club that kept him until 2016. He was then given his debut as the starting goalkeeper in Fulham's opening game in the Championship against Ipswich Town on 9 August 2014. After making three more appearance for the club, Joronen soon lost his first team place to Marcus Bettinelli and new goalkeeper signing, Gábor Király.
"We were disappointed to lose Aaron to injury, but Jesse comes in with a great reputation and is a good addition," said Stanley boss John Coleman.
Joronen, 21, competes for a first-team place at Craven Cottage against former Stanley loanee Marcus Bettinelli.
Joronen achieved the feat of scoring with a long clearance in the 2-1 home win over Wycombe last month.
"He's played in the Championship this season and that experience could prove invaluable to him at League Two level."
"It's not the most common of injuries, which is why you have to be a bit careful with it and get him to people that have seen the injury before and can deal with it."
He has been signed to replace Aaron Chapman, who has returned to parent club Chesterfield with a foot injury.
Joronen joined Accrington Stanley on loan for one month on 17 October 2014, but he returned early after dislocating his kneecap during a League Two match against Morecambe. Then, it was announced that Joronen would be out for three to four months.
Toukokuussa 2013 Joronen siirtyi lainasopimuksella Suomeen, Veikkausliigan FC Lahteen. Hän ehti pelata Lahdessa 18 liigaottelussa ennen paluutaan elokuussa Fulhamiin.
In August 2015, Joronen signed for Stevenage on loan until January 2016. Joronen scored with a long-range clearance in a match against Wycombe Wanderers on 17 October 2015.
Jesse was born in Rautjärvi, a region close to Helsinki. His first club that we know of was Simpeleen Urheilijat, which was his local club. He made the national U16 and U17 teams whilst at the club and his name began known to scouts all over Europe after some impressive performances.
After a loan spell at Maidenhead United, Joronen then move back to Finland, where he joined Veikkausliiga side FC Lahti on loan until August. After making eighteen appearance for the club, Joronen returned to his parent club in early August.
The Finland international has made four appearances for the Championship side this season after previous loan spells with Cambridge and Maidenhead.
Jesse Joronen (s. 21. maaliskuuta 1993 Rautjärvi) on suomalainen jalkapallomaalivahti. Hänellä on sopimus Englannin mestaruussarjassa pelaavan Fulhamin kanssa.
"It's the thigh-hip area that he's strained as he kicked the ball.
"I'd like to see him back here, it would do him the world of good, get more games and show Fulham exactly what he can do.
Jesse Joronen is currently a goalkeeper at Fulham on loan to FC Lahti. He has impressed since joining the club at 16 and made a surprise international debut for Finland in January 2013.
Jorosen kasvattajaseura on Simpeleen Urheilijat, jonka edustusjoukkueessa hän pelasi ensimmäisen kerran jo 13-vuotiaana Inkeroisten Purhaa vastaan. Simpeleläisten lisäksi Joronen oli juniorivuosinaan lainassa Rakuunat Junioreissa 2007 ja Lappee JK:ssa 2008. Vuonna 2009 Joronen siirtyi Englannin Valioliigan Fulhamin organisaatioon. Fulham ei ollut ainoa Jorosesta kiinnostunut Valioliigaseura, sillä myös Liverpool teki hänelle tarjouksen.
Born and raised in the small town of Simpele located near the Russian border, Joronen joined Fulham Academy in 2009. In June 2010, Joronen signed his first professional contract with the club, which will keep him until 2013.
Maajoukkuetasolla Joronen debytoi alle 15-vuotiaiden maajoukkueessa vuonna 2008 Ruotsia vastaan. Hänellä on kokemusta myös muiden eri ikäluokkien poikamaajoukkueista sekä Suomen alle 21-vuotiaiden maajoukkueesta. Ensimmäisen A-maaottelunsa Joronen pelasi King's Cupissa tammikuussa 2013 Thaimaata vastaan.
Joronen teki alun perin kolmivuotisen sopimuksen Fulhamin kanssa, jota jatkettiin kahdella vuodella vuonna 2012. Saman vuoden lokakuussa hänet lainattiin Englannin konferenssin eteläisen aluesarjan Maidenhead Unitediin. Helmikuussa 2013 Joronen lainattiin puolestaan konferenssin pääsarjan Cambridge Unitediin, mutta hän palasi ainoastaan päivän lainasopimuksen julkistamisen jälkeen takaisin Fulhamiin, sillä hän ei halunnut olla seurassa vaihtopelaajana.
Still recovering from the injury going into the 2015-16 season, Jesse made appearances for the U21 squad and was loaned out to League Two outfit Stevenage from August to January 2016. He made a first team appearance for the first time in two years when he played in a 3-2 win away to Leyton Orient in the League Cup first round.
Jesse Pekka Joronen (born 21 March 1993) is a Finnish footballer who plays as a goalkeeper for Fulham. Joronen made his senior début for Finland in 2013.
In May 2012, Joronen signed a two-year extension with Fulham, that will keep him until 2014. Six month later, on 25 October 2012, Joronen joined Maidenhead United on loan and in February 2013, Joronen was loaned to Cambridge United. Only a day later Joronen returned to Fulham after he refused to be named as a substitute for Cambridge.
Joronen, Jesse - Fulham (ENG)
* Senior club appearances and goals counted for the domestic league only and correct as of 21:15, 29 January 2016 (UTC).
The 6ft 5ins Finn, who is on loan from Fulham, has made 11 appearances this season for Teddy Sheringham's side.