Jamar Loza was first
noticed when he scored 4 goals for Norwich City Under-16s in a
6-1 thrashing of Ipswich on 21st November 2009. He later played
for the Under-18s against Southampton in January 2010.
In July 2010, he became a full-time scholar with the Canaries'
Loza shone with the under-18s during 2011/12, netting over 20
goals and featuring heavily for the reserves. He was released
in the summer of 2012 but then was recruited for the Under-21
development squad. He made 30 appearances, scoring 13 goals. He
travelled with the first team to Austria in the summer of 2013.
On 25th October 2013, Loza joined Coventry on a 28 day youth
loan. He made his league debut in the league One clash with Notts
County on 2nd November.
On 6th January 2014, Loza was loaned to Leyton Orient on a 28
day loan deal and made his debut, starting up front, the following
day in a 2-0 win over Shrewsbury.
On 31st January 2014, Loza's loan was extended until 8th March
2014. He returned to Norwich having made three appearances for
On 21st March 2014, Loza was loaned to Southend for a month.
He made his debut the same day against Bristol Rovers. He made
his first start on 25th March 2014 and was named man of the match
for scoring once and setting up two others.
Loza made his Norwich City debut on the final game of the 2013/14
season at home to Arsenal, coming on as a substitute.
On 2nd June 2014, Loza was called up by Jamaica for their international
friendlies with Egypt and France. He made his debut against Egypt
on 4th June as a 84th minute substitute. He went on to win more
caps during 2014/15.
Loza was linked with a loan move to Swindon at the end of September
2014, despite being a regular on the bench for the Canaries during
the opening games of the 2014/15 season. On 14th January 2015,
Loza was loaned to Yeovil for a month. He had made five appearances
for Norwich during the 2014/15 season ahead of the loan.
Loza scored his first goal for Norwich in injury time at Huddersfield
on 18th March 2015, salvaging a point for Norwich in a 2-2 draw.
He had come on as substitute. He finished the season with four
appearances for City.
On 2nd October 2015, he was loaned to Stevenage for a month.
He made his debut the following day in a 1-0 home defeat to Carlisle,
and was substituted with Charlie Whelpdale
replacing him. He made just two appearances for Stevenage before returning to Carrow Road.
On 29th January 2016, Loza was loaned to Southend until the end of the 2015/16 season
On 10th June 2016, Norwich announced that they would not be renewing his contract. He was quickly linked with returns to former clubs Southend and Yeovil.
He almost signed for Port Vale in July 2016. He then joined Scottish side Inverness Caledonian Thistle on trial in August 2016 playing and scoting for their development squad in a 3-1 win over Motherwell on 23rd August 2016. He then joined Colchester on trial, playing for their Under-23s against Charlton on 29th August 2016.
On 21st October 2016, Loza joined Conference side Maidstone United. He scored his first goal for Maidstone in the 2-2 draw away at Sutton on 25th October 2016.
In October 2018, he joined Woking on a three month loan. On 11th January 2019, he was sold to Billericay Town for an undisclosed fee. He moved to Chelmsford City in late June 2019.
On 20th September 2019, he rejoined Woking joining on a three month loan deal.. This was extended until the end of the 2019/20 season on 31st January 2020. He is also part of the coaching team at Future Foundaiton Elite owned by Dan Goffin
Released by Chelmsford in May, on 2nd July 2020, Loza returned to Norfolk and signed for King's Lynn Town. He returned to Woking on 19th December 2020 after he made it clear he was "unhappy" at Kings Lynn. He had scored four goals in 11 games for Ian Culverhouse's team, twice in a 3-2 win over Woking and another brace in the 2-0 win at Barnet.