Rivas' last 10 starts: 5 IP, 3 ER 6 IP, 0 ER 6 IP, 3 ER 6 IP, 1 ER 6.1 IP, 0 ER 5.1 IP, 0 ER 7 IP, 0 ER 7 IP, 2 ER 6 IP, 1 ER 6 IP, 1 ER That's about as steady as it gets. While he may not have top of the rotation stuff, he's turning himself into a middle of the rotation prospect pretty quick.