Champions League Playoff Second Leg Opta facts
Manchester City - Steaua Bucharest
o Manchester City's 5-0 win in the first leg qualifier equalled their biggest ever European win (also 5-0 v Lierse in 1969/70 Cup Winners' Cup and 5-0 v The New Saints in 2003/04 UEFA Cup qualifying).
o City's 5-0 advantage is the biggest first leg lead recorded since the introduction of the Champions League playoff round in 2009/10.
o The Citizens have won all three of their previous games against Romanian opposition, scoring eight and conceding none.
o Steaua Bucharest have lost their last four games against English sides, failing to score in the last three.
o Steaua have played in England on nine previous occasions in European competition, losing seven and drawing twice. Their highest profile trip on English soil was in the UEFA Cup semi-final v Middlesbrough in April 2006, losing 4-2 on the night.
o Sergio Aguero scored a hat-trick in the first leg, but also missed two penalties. The last player to miss two spotkicks in a Champions League qualifier before him was Ivica Vrdoljak for Legia Warsaw v Celtic in July 2014.
Hapoel Be'er Sheva - Celtic
o Celtic have qualified from eight of their last nine European qualifiers in which they've taken a lead into the second leg - the exception was last season's Champions League play-off against Malmo.
o Hapoel Be'er Sheva are unbeaten in their last four home European games (W2 D2).
o Leigh Griffiths has scored five goals in his last four European games for Celtic.
o Since the Champions League play-offs were introduced in 2009/10, no side has ever recovered a three-goal deficit from the first leg.
o The Bhoys have kept only one clean sheet in their last 13 European games, conceding 21 goals.
o Should Hapoel qualify, they would be the fourth Israeli side to play in the Champions League proper after Maccabi Haifa, Maccabi Tel Aviv and Hapoel Tel Aviv.
Legia Warsaw - Dundalk
o Legia are unbeaten in their last seven home Champions League qualifiers (W3 D4).
o Dundalk have won only two of their last 19 away European games, both in the Europa League qualifying phase in 2014/15 (D3 L14).
o Warsaw have conceded only one goal in this season Champions League qualifiers and are on a run of four consecutive clean sheets.
o The only side to overcome a two-goal deficit from the first leg of a Champions League play-off qualifier was Celtic in 2013/14 against Shakhtyor Qaraghandy.
o Should Legia Warsaw qualify, they will be the first Polish side to qualify for the Champions League since Widzew Lodz in 1996/97 and the first time Warsaw have qualified since their sole participation in 1995/96.
If Dundalk qualify, they will be the first ever Irish team to play in the Champions League.