Mario Götze scored his first Bundesliga goal of the season to give Eintracht Frankfurt a hard-working 1-0 win against Mainz on Friday. “Important three points, not our best game, we can do better. Today unfortunately we didn’t play well,” the 2014 World Cup champion told broadcasters DAZN. Götze looked to be offside as he controlled Willian Pacho’s deflected shot in front of the goal, but there was also a deflection off a Mainz player beforehand. Goalkeeper Robin Zentner blocked Götze’s first attempt, but couldn’t stop the midfielder’s header from the rebound in the 73rd. The goal stood after …