Sergio Jose (Estrada) Valenzuela
- Bats Right, Throws Right
- Height 6' 3", Weight 215 lb.
Sergio Valenzuela was signed by scouts Victor Favela and Julian Perez for the Atlanta Braves in 2001. He made his pro debut with the 2003 DSL Braves 1, going 6-2 with a 0.96 ERA, allowing only 34 hits in 66 innings. He was 5th in the pitching-strong Dominican Summer League in ERA.
Valenzuela had a 1-2, 3.00 record for the 2004 GCL Braves when he made his US debut. In '05, he fell to 1-4, 3.60 with the GCL Braves but only walked four in 35 innings. In 2006, Sergio was 3-4 with a 6.04 ERA for the Danville Braves. Valenzuela split 2007 between the Rome Braves (1-3, 7.12, .350 opponent average) and Myrtle Beach Pelicans (6.88 in 18 G, .318 opponent average).
The Cincinnati Reds chose Valenzuela from the Braves in the 2007 Rule V Draft. He would spend 2008 in Mexico, though, going 8-4 with a 4.89 ERA for the Monclova Steelers. With the Mazatlan Deer in 2008-2009, he helped his team to the title. In the 2009 Caribbean Series, he allowed 5 hits and 4 walks in 3 2/3 IP but escaped with only two runs being charged to him. He was 3-1 with a 3.11 ERA for Monclova in '09.