Seeking Possible Breed(s) ID for our BYM Roo

[HoneyBee93]

With the understanding that breed ID can be near impossible in many cases, I am asking you, fellow chicken tenders, for your opinion on what our roo's heritage may be. We took this guy in from a friend that cared for him for almost a year after he showed up one day. The beautiful red and white boy in question pictured here:

 

[JedJackson]

He's a mix, probably with red sex link or Starlight Green Egger in his parentage.