Kieran Tierney demonstrated his value to Celtic as the team began its Scottish Premiership title defense, with reports indicating that the club is prepared to reject any offers for the defender. Osasuna had reportedly made an inquiry about Tierney, but Celtic's management is expected to dismiss the interest.

Tierney's significance to the league champions is amplified by a lack of depth in his position. Former captain Scott Brown commented on Tierney's commitment, stating, "Kieran's going nowhere, he loves the football club." Brown also praised Tierney's on-field attributes, noting his passion, effectiveness in challenges, and aerial ability, which he believes contributed to Tierney's earlier move to Arsenal. "Celtic are lucky to have these three [Tierney, McGregor and James Forrest] for that long a period," Brown added, highlighting the value of long-serving players.

Club captain Callum McGregor also drew attention for his performance in the opening match, dispelling recent rumors of his potential departure. Brown observed that McGregor appeared "really fresh" after retiring from international duty with Scotland, attributing it to the additional rest. "He is the brains of this time, he's got the understanding and leadership," Brown said. He advised young players to observe McGregor, Tierney, and James Forrest, suggesting that their longevity at a club like Celtic is a testament to their understanding of the game's less obvious aspects.