MANCHESTER, England, March 19 : With league-leaders Arsenal and second-placed Manchester City occupied by Sunday's League Cup final, this Premier League weekend turns the spotlight onto the relegation scramble and a congested top-four race. Arsenal sit top on 70 points, followed by Manchester City (61) and Manchester United (54). Chasing the remaining Champions League position are Aston Villa (51), Liverpool (49), Chelsea (48) and Brentford (45).  Lower down, the relegation picture remains