José Manuel Arnaiz Díaz (born 15 April 1995) is a Spanish professional footballer who plays as a winger for La Liga club Osasuna.
[3] On 7 November 2015, after appearing regularly with the reserves, Arnaiz made his professional debut by coming on as a late substitute for Pedro Tiba in a 1–1 home draw against CD Leganés in the Segunda División.
[6] On 8 October, he scored a brace in a 2–0 home defeat of AD Alcorcón,[7] and finished the campaign with 12 goals, being a key unit as his side failed to qualify for the play-offs.
[10] Arnaiz made his first-team debut on 24 October 2017, starting the match and scoring the last goal in a 3–0 away win over Real Murcia in the round of 32 of the Copa del Rey.
[11] The following 3 January, he opened the 1–1 away draw against RC Celta de Vigo also in the national cup;[12] he went on score three times during that competition, only needing as many shots to achieve the feat.