On 23 April 2012, Sava took his first coaching job as the head coach at
San Martín de San Juan, having previously been the assistant. He made his debut five days later, in a 1–0 home top-flight win over
Godoy Cruz Antonio Tomba. On 4 September, having lost all five games of the
new season, he was sacked. At the start of 2013, Sava succeeded
Nery Pumpido at
Unión de Santa Fe. He kept his job after relegation, but was dismissed in December as the team fell out of the Nacional B play-off positions. In May 2014, Sava was appointed by
Chilean Primera División club
O'Higgins F.C. as the replacement for his compatriot,
Eduardo Berizzo. The following January, he was dismissed after a defeat at
C.D. Universidad de Concepción. Sava was hired by his former team Quilmes in July 2015, moving in December to replace
Diego Cocca at Racing Club for a 3 million
Argentine peso fee. He made his debut on 4 February 2016 in his first continental game, a 2–2 draw at
Puebla FC in Mexico for the
Copa Libertadores qualifying round, eventually being eliminated 2–1 in the last 16 in May by Brazil's
Clube Atlético Mineiro. Club president Víctor Blanco confirmed Sava as manager for the rest of the calendar year, but he left and was replaced by
Ricardo Zielinski before the new season. In March 2017, Sava was hired for two years at
Club Atlético Tigre. On 3 June, he announced his resignation following a 3–0 home loss to
Club Atlético Vélez Sarsfield. At the start of the new year, he returned to Gimnasia where he had left as a player 16 years earlier. He left on 21 April, after achieving two wins and three draws from 12 games. Sava returned to Quilmes in December 2019. In 2021, the team reached the promotion play-off final, losing on penalties to
Barracas Central after a goalless draw on 21 December. In March 2022, Sava returned to the top flight, being hired by
Club Atlético Patronato for the rest of the year. He guided the team to the
Copa Argentina, winning 2–1 at Gimnasia in the last 16, on penalties against River Plate in the quarter-finals, and on the same method against Boca Juniors in the semi-finals, before defeating
Talleres de Córdoba by a single goal in the final on 31 October. Days later, he announced that he would not renew his contract. Sava moved to Paraguay as manager of
Cerro Porteño on 12 February 2023, but was sacked on 9 July. On 27 October, he returned to his country's top flight on a 12-month deal replacing
Pablo Lavallén at
Club Atlético Sarmiento, but left on 28 November. On 30 December 2023, Sava was appointed manager of
Huracán, but resigned the following 18 February. On 3 March 2024, he took over fellow top-tier side
Atlético Tucumán. Sava resigned on 8 February 2025, and took over
Sarmiento on 1 August. ==Managerial statistics==