London, Sept. 19 -- Marcus Rashford thanked Barcelona and head coach Hansi Flick for helping him transform into a better player after enduring a torrid run with his parent club, Manchester United, in the Premier League.

The 27-year-old English winger, who is currently on a loan deal with the La Liga bigwig, revived his panache during their 2-1 win against Newcastle United in the UEFA Champions League. With a blend of power and precision, he headed the ball in the 58th minute to break the deadlock.

Just nine minutes later, he extended Barcelona's lead with a rasping hit from range. Newcastle kept knocking at their visitors' door and came close on numerous occasions, but lacked the attacking edge to save those chances from squandering int...