Valentin Rosier

Valentin Rosier

osasunaOSA
 • #19 • Right Back
Nationality
France
Position

Right Back

Role

Balanced Full Back

Birthdate (Age)

Aug 19, 1996 (30)

Preferred Foot

Right

Height

5'9"

Weight

157 lb

League
Oct 10, 2026

Ready to return from injury

Rosier (hamstring) is available for Sunday's La Liga clash against Real Betis after recovering from a right biceps femoris injury sustained during preseason, as he wasn't mentioned in the latest injury report.

Analysis: Rosier has completed his recovery from the hamstring injury that kept him sidelined throughout the opening stages of the season, having gradually increased his workload before returning to full team training. The right-back has now regained sufficient fitness to be available for selection against Betis, providing Osasuna with an additional defensive option. Inigo Arguibide has held down the starting role on the right side of defense during Rosier's absence, so the latter could initially be limited to a substitute role as he rebuilds his match fitness. However, Rosier should gradually push for increased playing time as he works his way back into the rotation.

Sep 30, 2026

Returns to full training

Rosier (hamstring) completed Wednesday's entire training session with the team as he enters the final stage of his recovery, according to the club.

Analysis: Rosier took another significant step forward after being limited to partial team training Tuesday, completing a full session for the first time since suffering a right biceps femoris injury during preseason. The defender now has additional time to rebuild his fitness before Osasuna return to La Liga action against Betis on Oct. 11. Inigo Arguibide has held down the starting role at right-back during Rosier's absence, but the latter should soon be in position to compete for minutes again.

Sep 29, 2026

Trains partially with squad

Rosier (hamstring) trained partially with the team Tuesday as part of his final recovery process, according to the club.

Analysis: Rosier has been working his way back from the biceps femoris injury in his right leg suffered during preseason, an absence that has stretched into the early stages of the season, with Inigo Arguibide having held down the starting role at right back in his absence. This partial return now marks a significant step forward as he approaches full team training.

Aug 29, 2026

Continues recovery process

Rosier (hamstring) continues his recovery process from the biceps femoris injury in his right leg and is out for the time being, according to the club.

Analysis: Rosier has yet to return to team training as he works his way back from the hamstring injury suffered during preseason, an absence that has stretched into the early stages of the season. Inigo Arguibide Goni figures to continue holding down the starting role at right back while Rosier progresses through his rehabilitation.

Aug 26, 2026

Remains out against Celta Vigo

Rosier (hamstring) remains unavailable for Thursday's clash against Celta Vigo as he continues his recovery from a right biceps femoris injury, according to coach Luis Miguel Ramis.

Analysis: Rosier has yet to return to team training as he continues working his way back from the hamstring injury suffered during preseason. The right-back will miss another match Thursday, extending his absence into the early stages of the campaign. With Rosier still sidelined, Inigo Arguibide is expected to continue in the starting role at right-back against Celta Vigo.

Aug 11, 2026

Still not training

Rosier (hamstring) has yet to return to training, making him a serious doubt for Sunday's league opener against Celta Vigo, the club announced.

Analysis: Rosier's absence traces back to a torn biceps femoris in his right leg, an injury tied to the same muscle that caused tendon damage and ruled him out for five matches last October against Atletico Madrid, with an initial recovery estimate of three to four weeks. He had still not returned to training by Tuesday, and with the league opener arriving Sunday, the timeline is now tight enough that even a bench role looks unlikely for him. As a result, Inigo Arguibide appears set to continue as Osasuna's starting right-back to begin the season.

Aug 4, 2026

Not traveling due to muscle injury

Rosier is not traveling with Osasuna's squad for Wednesday's friendly against Napoli due to a torn biceps femoris in his right leg, according to the club.

Analysis: Rosier had been dealing with the same muscle he injured last October against Atletico Madrid, an issue that also caused tendon damage and kept him sidelined for five matches at the time. He is expected to need three to four weeks to recover, leaving Osasuna traveling to England for upcoming friendlies with Inigo Arguibide Goni as the club's only recognized right back.

Jul 26, 2026

Facing hamstring tear

Rosier is facing what is believed to be a torn biceps femoris in his right leg and will need three to four weeks to recover, according to Diario de Navarra.

Analysis: Rosier did not train and is awaiting further medical tests, though initial signs point to the same muscle he injured last October against Atletico Madrid, an issue that also caused tendon damage and kept him out five matches at the time. He left the field limping noticeably after just 14 minutes of Wednesday's session. His absence leaves Osasuna traveling to England for upcoming friendlies with Inigo Arguibide as the club's only recognized right back.

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