In a 32-19 victory over the New York Jets, San Francisco 49ers running back Jordan Mason had an impressive performance. However, his shining moment on the field is being overshadowed by a debate over when he was informed about his starting position.

During an interview with ESPN's Lisa Salters, Mason revealed that he had known "maybe Friday night" that he would be filling in for the injured Christian McCaffrey. This statement raised questions as McCaffrey was listed as questionable and was only ruled out on Monday prior to the game. When asked during his postgame press conference about when he was informed, Mason responded with frustration, stating, "That question right there is why I'm mad," and chose not to provide an answer.

After the game, Mason spoke to reporters and clarified that he was indeed informed on Friday that he would be starting. However, the head coach of the 49ers, Kyle Shanahan, disputed this claim, stating that it was not true.

The controversy surrounding this issue highlights the NFL's strict guidelines when it comes to teams reporting injuries. If the 49ers had knowledge on Friday that McCaffrey would be unavailable for Week 1, they would have been obligated to disclose this information and not keep it concealed until game day.

This situation is reminiscent of the incident last year involving the Atlanta Falcons and their head coach, who faced fines from the league after being less than forthright about the status of running back Bijan Robinson.

As the debate unfolds, fantasy owners of Christian McCaffrey are left questioning the transparency of the team and its handling of crucial injury updates. The NFL will likely investigate the matter further to ensure compliance with their reporting guidelines.

It remains to be seen how this controversy will impact Jordan Mason's future prospects and the relationship between the San Francisco 49ers and their fans.