Relentless Bayer Leverkusen beat ninth-placed Freiburg 3-2 away on Sunday and moved another stride closer to their first Bundesliga title. On Saturday, second-placed Bayern Munich won 5-2 at bottom side Darmstadt to trim the gap but Xabi Alonso’s unbeaten team restored their 10-point lead with eight to play thanks to goals from Florian Wirtz, Adam Hložek and Patrik Schick. Leverkusen have not lost in any competition all season but came the closest yet on Thursday when trailing 2-1 to Azerbaijan’s Qarabag entering injury time in their Europe League last 16 second leg. But Schick popped up twice…