Champions League qualification rivals Aston Villa and Liverpool kick off the penultimate round of Premier League fixtures on Friday night. Only goal difference separates the sides, who are both in pole position to take up the remaining two Champions League spots on offer. However, with Brighton & Hove Albion and Bournemouth still on their tails, the stakes are high for the upcoming clash at Villa Park. Victory would guarantee a top-five finish for both Villa and Liverpool , while a stalemate could be enough depending on the outcome of Bournemouth’s clash with Manchester City next Tuesday. Villa will have one eye on the Europa League final next Wednesday, victory over Freiburg in Istanbul also securing them Champions League qualification. Liverpool will aim to take advantage of any concentration lapses as they seek redemption following underwhelming performances against Manchester United and Chelsea over the past fortnight. Here’s Sports Illustrated’s guide to the clash in the Midlands. Aston Villa vs.…