PSV Faces Uncertainty Over Ruben van Bommel's Fitness for Porto Match

• Ruben van Bommel's fitness is uncertain for PSV's Champions League match against FC Porto.
• Van Bommel was missed in PSV's recent 2-1 defeat to ADO Den Haag.
• Head coach Peter Bosz admitted post-match that van Bommel's availability for the Porto match is uncertain.
• Arnold Bruggink believes van Bommel has the potential to become an elite player.
• PSV is considering replacements for van Bommel in the lineup for the Porto match.