Being rated that high there’s no need for him to workout and risk something happening.
4months is way too short to expect to perform any of the change of direction field work at high intensity. Best case scenario is that a 40 might be doable; however he wouldn’t even be remotely close to PR level because that would require that he initiate the sprint training in February at the latest.
Play it safe, his stock is too high to risk anything. the film and interviews should secure his status.