BARCELONA, Spain (AP) — While Lionel Messi tries to break the Champions League's all-time scoring mark on Tuesday, another record could fall when Shakhtar Donetsk forward Luiz Adriano faces Athletic Bilbao. The Brazilian is having a breakout European campaign and has Shakhtar on the cusp of qualifying for the second round for the third time in the five seasons despite the turmoil embroiling Ukraine. A win by Shakhtar will put the Ukrainian champions through from Group H along with the already qualified FC Porto, which visits BATE in Belarus. Here are some things to know about Tuesday's matches: ___ RECORD TO FALL Luiz Adriano has already matched the feats previously reached only by Messi and Cristiano Ronaldo. He has scored nine goals through the first four matches, equaling the record set for group goals by Ronaldo. Luiz Adriano has also matched Messi's single-game milestone by scoring five times against BATE last month. The 27-year-old Brazilian will face a Bilbao defense that held his team scoreless in a 0-0 draw in their first meeting this season. ___ AWAY FROM HOME Shakhtar continues to play its home matches in the western city of Lviv because of ongoing political and military strife in Ukraine. The Donbass Arena, located in the city of Donetsk now controlled by pro-Russian rebels, has been damaged by shelling and occupied by armed men in recent months. Shakhtar midfielder Dentinho said that Lviv is proving to be a welcoming host. "In this match the support will be on our side," Dentinho said.Read more on NewsOK.com