Celtic v Bayer Leverkusen: Four things we learned

Another disappointing result for Celtic came in the form of a 4-0 home loss to Bundesliga side Bayer Leverkusen. Instead of writing my customary player ratings, I will be talking about four things that came out of this evenings match. Celtic need to take their chancesCeltic had the same amount of shots as Bayer Leverkusen did tonight with eighteen. The Hoops spurned a number of early chances before the inevitable took place...