FC Sion they made a major coup by signing Gennaro Gattuso and Kyle Lafferty, both via free transfers. However, the club had a disappointing season which saw them change coaches three times before settling on Gattuso to finish the season, ending in third place. Sion held the distinction of having never lost a domestic cup final, with 13 wins in 13 appearances in the Swiss Cup, until a defeat by Basel in the 2017 edition. Sion play their home matches at the multi-purpose Stade Tourbillon, which has a capacity of 14,500. It was originally constructed in 1968, and was renovated in 1989
Maurice Sion Maurice Sion Maurice Sion (17 October 1927, Skopje – 17 April 2018, Vancouver) was an American and Canadian mathematician, specializing in measure theory and game theory. He is known for Sion's minimax theorem. Sion received from New York University his B.A. in 1947 and his M.A. in 1948. He received from the University of California, Berkeley in 1951 his Ph.D. under the supervision of Anthony Morse with thesis "On the existence of functions having given partial derivatives on Whitney's curve". Sion was a member of the mathematics faculty at U.C. Berkeley until 1960, when he immigrated to Canada with his