Arsenal loanee Mika Biereth has shone away from the Emirates this season, and is developing into one of the best youth prospects in Europe. The 20-year-old was recently recalled from his loan spell at Motherwell after providing 11 goal and assist contributions in 15 games, before joining Austrian Bundesliga title challengers SK Sturm Graz. He recently scored on his competitive debut for the club, and his progress this season will be closely monitored by Arsenal as he continues to shine upfront. His time at Motherwell was exceptional, despite missing part of the season with a knee injury, to th…