Really? Why?
He didn't pray to them and bypass Jesus Christ.
He ASKED them to pray to Jesus on his behalf.
Yes, the correct term for that is "intercession" or "intercessory prayer".
According to you, Jesus is the only intercessor. Therefore, Paul sinned by asking people other than the "only intercessor" to pray for him.
Incidentally, Scripture never says that Jesus is the only intercessor. It says "one is the mediator between God and man, the man Christ Jesus". The word translated "one" is heis ("one, unique, primary") not monos ("exactly one").
Oh, BTW, no Catholic prays to a saint in hopes of bypassing Christ. We ask the saints to pray to Jesus and through Jesus to the Father, for us.
Yeah! Yes! Bueno! Bingo. You got it. That's what it's all about.
Who d'heck ever prayed to "bypass Jesus"???