Blue Pants, Baby's Got Blue Pants

One of these guys is not like the others; one of these guys just doesn't belong. Can you tell which guy is not like the others by the time I finish my song?

Apologies to Elton John and Gary Osborne, as well as Joe Raposo and Jon Stone, who wrote the original songs that inspired the text of this post. Apologies to Zeke for any implication that he did not belong just because of pants color. He was, and remains, the belongingest belong of all Tiger belongs.