Carlos Navas (minors)
Carlos Manuel Navas
- Bats Right, Throws Right
- Height 6' 1", Weight 180 lb.
Navas was signed by Oakland A's scouts Julio Franco and Juan Carlos Villanueva in 2010.  He was 2-2 with a 1.66 ERA in his pro debut that summer with the DSL Athletics. He only pitched 2/3 of an inning for the team in 2011. Returning in regular action in 2012, he had a 4-5, 1.38 record and .95 WHIP. He was 4th in the Dominican Summer League in ERA, between Eric Canela and Junior Subero. 
With the '13 AZL Athletics, he was 1-2 with a 4.83 ERA. He returned to the same club in 2014 and improved to 6-5, 3.30. He tied Angel Ventura and Jesus Zambrano for the Arizona League lead in wins and was 8th in ERA, between Thomas Pannone and Kevin Guzman.  He split 2015 between the Stockton Ports (4 R in 9 IP) and Beloit Snappers (3-2, 2 Sv, 2.61 in 44 G; 69 K in 58 2/3 IP) while moving to the bullpen. He tied Brendan McCurry for the most games pitched by an A's farmhand. He allowed 4 hits and 3 runs in one inning for the Bravos de Margarita in his Venezuelan Winter League debut.
Carlos split 2016 between Stockton (3-7, 6 Sv, 4.08 in 40 G; 67 K in 53 IP) and the Nashville Sounds (Sv, 2.70 in 4 G). He tied for 7th in the Oakland system in pitching appearances. He was 3-3 with a 2.28 ERA in 21 games that winter for Margarita and allowed two runs in 2 1/3 innings in the playoffs.  In 2017, he was 3-0 with two saves and a 0.50 ERA for Stockton (6 H, 2 R, 1 ER, 4 BB, 28 K in 18 IP) and the Midland RockHounds (3-4, 4Sv, 3.25 in 33 G). He tied Sam Bragg for games pitched (45) by an Oakland minor leaguer. He had another strong winter for the Bravos (2.08 ERA in 22 G) and allowed 6 runs (5 earned) in 9 2/3 postseason innings). He pitched 1 2/3 shutout innings as a reinforcement for the Caribes de Anzoátegui in the 2018 Caribbean Series though an inherited runner scored.
The Cincinnati Reds signed the free agent for 2018. He was 4-3 with four saves and a 3.19 ERA for the Pensacola Blue Wahoos, striking out 89 in 73 1/3 IP. He was 1-3 with two saves and a 4.87 ERA for the 2018-2019 Bravos and allowed only one hit and no runs in 4 1/3 innings in the postseason. The San Francisco Giants signed him for 2019 and he split the summer between the Richmond Flying Squirrels (2-2, 1.56 in 20 G) and Sacramento River Cats (0-5, 5.08 in 15 G).
He then pitched for Venezuela in the 2019 Premier 12, making two appearances. Against eventual champion Japan, he relieved Liarvis Breto with a 4-2 lead in the 6th, one on and one out. He allowed a single to Nobuhiro Matsuda but retired Tsubasa Aizawa and struck out Hayato Sakamoto. In the 7th, he allowed a Ryosuke Kikuchi single but set Kensuke Kondo down on strikes and got Seiya Suzuki on a grounder before Elvis Escobar took over. Venezuela was unable to hold on to the lead, though. He also faced host Taiwan, relieving Miguel Socolovich in the 7th with two out, one on and a 2-0 deficit. He struck out Li Lin to end the frame then went 1-2-3 in the 8th against Chih-Chieh Su, Yu-Chieh Kao and Chun-Hsiu Chen (fanning Chen). Cristian Alvarado took over in the 9th.