Of mice and men: The lab-rat software tracking Ronaldo China Daily | Updated: 2021-01-08 09:19 Share CLOSE Juventus star Cristiano Ronaldo attempts to squeeze past AC Milan's Andrea Conti (left) and Lorenzo Colombo during a Serie A match at the San Siro on Wednesday. Juve won 3-1. REUTERS LONDON－Cristiano Ronaldo and his Portugal teammates may be surprised to learn the video and data analysis their coaches use was devised by scientists who used it to track the behavior of mice, monkeys and human eye movements. Ruben Saavedra, the Spanish CEO of Metrica Sports, says it is not a stretch to transfer the use of data to track the behavior of laboratory mice and rats to the task of tracking "movement of players on the pitch".