The defeat last Thursday in the derby leaves Rubi as the Real Betis coach with the worst percentage of victories achieved in the First Division, having led more than 25 games, a squalid 28.57% after having added only 8 wins, 9 draws and 11 defeats in the 28 games played to date.
Rubi traces the percentage of victories of the British John Mortimore (28.57%), with which Betis only won 6 of the 21 games he led in 1987/88, before being dismissed and replaced by Pedro Buenaventura, who managed save the team from relegation in Las Palmas with a win on the last day.
Rubi's numbers are considerably lower than those signed by Carlos Timoteo Griguol (8 wins, 36.36%, in 22 league games), who was removed after the 22nd day of 1999/00, although his replacement at the time, Guus Hiddink, He did much worse (a victory – against Barça – in 13 games) and left the team with a foot and a half in Second.
With more than 20 games directed at Betis in the First, only the Spanish-French Luis Fernández's victory percentage worsened Rubi (4 wins in 18 games in 2006/07, 18.18%), and Víctor Sánchez del Amo (7 wins in 25 games in 2016/17, 28%), after supplying Poyet (3 wins in 11 games, 27.27%).
Even Cayetano Ré, who left Real Betis in the relegation promotion zone in 1989/90 – which he would later lose to Pedro Buenaventura against Tenerife, ending the best series of seasons in a row in First, ten – signs the best winning percentage than Rubi with Betis in First, since the Paraguayan managed to win 5 of 17 matches (29.41%). With Quique Setién, Rubi's predecessor in the position, Betis signed 42.11% of victories in the 76 games he led in First, the highest achieved by any coach with more than 75 games led in the top flight .
Rubi also became the fourth coach in history to lose both league derbies of the season in the First against Sevilla FC on Thursday, which previously had only happened to Marcel Domingo (he also lost two other Cups in the 1982/83), Pepe Alzate (he eliminated that 1984/85 campaign against Sevilla from the Cup) and Paco Chaparro (2007/08), the only one who began managing the team the following campaign after losing the two derbies to the eternal rival in the previous.