Yes, he has half of Maul's. Its obviously obtained from the Proxy fight where he slices the saber into two halves. Its on his back along the waist, right next to another saber, I believe Vader's.
"That kid, he told me the natural sky scared him. As I thought, it felt fulfilling. Those wings, give them to me too. Because it kinda feels... nice. If you meet Aerith, I'll be counting on you. Hey... Now I've become a hero, right?" - Zack Fair
"Live. You're the evidence that I lived. My pride and dreams take them all." - Zack Fair