Arsenal stunned by Porto & Liverpool go four points clear

Mark Chapman is joined by Theo Walcott, Neil Lennon & John Murray.They discuss Arsenal losing 1-0 in stoppage time to Porto in the Champions League, plus hear from Mikel Arteta.Liverpool go four points clear at the top of the Premier League after a 4-1 comeback win over Luton, with reaction from Jurgen Klopp.Plus Sir Jim Ratcliffe speaks for the first time since completing a deal to buy just over 27% of Manchester United.TIMECODES:00:17 – Arsenal stunned by Porto 17:04 – Liverpool go four points clear 27:20 – Sir Jim Ratcliffe speaks for the first time