Bayern Munich secured a 2-1 victory over Mainz in the Bundesliga on Saturday but the form ⁠of goalkeeper Manuel Neuer will again be in the spotlight after another error almost produced an equaliser for the home side ⁠in the first ⁠half.

Neuer became Bayern’s ​oldest player at 40 years, 225 days, overtaking Bernd Dreher, but was forced off with a recurrence of a foot injury ⁠that had kept him out of recent matches, replaced before half-time by Jonas Urbig.

Neuer was left flailing at a cross that resulted ⁠in Mainz’s Lee Jae-sung putting the ball in the back of the net with Bayern ​leading 1-0, though the effort was ‌ruled out for offside.

Neuer’s mistake ‌against Augsburg last month, which resulted in the fastest-ever Bundesliga goal after eight seconds ‌by Robin Fellhauer , was the latest in a growing number for the keeper once regarded among the best in the world.

According to Sofascore using Opta data, that error was his fifth that led to a goal in his previous 17 Bundesliga games, or one every 3.4…