Freiburg reached the last 16 of the Europa League after coming back from a 2-0 deficit to claim a 3-2 win against Lens in extra-time in the second leg of the Europa League knock-out round play-off on Wednesday. Michael Gregoritsch scored the winner in the 99th minute, but only after Roland Sallai completed a dramatic brace to settle the 2-2 draw in the final minutes of regular time. David Pereira da Costa put Lens ahead in the 28th before Elye Wahi increased their lead shortly before the break. The Germans pulled one back in the 67th thanks to Sallai, who then scored a very late equalizer in s…