FRANKFURT AM MAIN, GERMANY - JANUARY 26: Tobias Sippel of Moenchengladbach #21 substitues Yann Sommer #1 goalkeeper of Moenchengladbach during for the ball during the Bundesliga match between Eintracht Frankfurt and Borussia Moenchengladbach at Commerzbank-Arena on January 26, 2018 in Frankfurt am Main, Germany. (Photo by Alex Grimm/Bongarts/Getty Images)
