Roberto Mancini does not think Zenit should be considered contenders to win the Europa League, despite eliminating Celtic to reach the last 16.
Callum McGregor's goal earned the Scottish champions a 1-0 lead to take to Russia, but Zenit roared back with a highly impressive 3-0 victory.
Branislav Ivanovic scored an early header to mark his 34th birthday with his third goal in the competition this season and bring Zenit level in the tie.
Daler Kuzyaev beat Celtic goalkeeper Dorus De Vries with a long-range strike before Aleksandr Kokorin scored from an Ivanovic cross to finish the job.
Zenit won the tournament in the 2007-08 season but Mancini believes inexperience in his squad will stop them going all the way again.
"I don't feel that we can win because there are many strong teams and we are a young team," the Italian told BT Sport.
"We played better than Celtic. I think we played a good game in Glasgow, but it was the first game after the winter break.
"The games were different for this reason. We were so tired after 70 minutes, but that is normal."
Defeat in Russia means Celtic have failed to reach the last 16 of a European tournament since the 2012-13 Champions League, leaving Brendan Rodgers frustrated with his side's showing.
"It was probably that inconsistency over the course of our European campaign that's probably disappointed most," Rodgers told BT Sport.
"Last week we showed when our concentration is at its best, we defend forward and we can defend well.
"But tonight I thought in the first half in particular we weren't aggressive enough and a bit passive.
"The goals we gave away were really disappointing. Defensively we gave away three very poor goals."
24 de marzo 2018
|Hamilton breaks records to take pole in Melbourne|
|Curry suffers MCL sprain in first game back from ankle injury|
|Rain ruins day three in Auckland|
|Celtics get another short-handed win, Curry injured again|
|Wozniacki exits as Venus, Konta cruise in Miami|
|Wozniacki stunned by Puig in Miami|
|Mexico 3 Iceland 0: Layun scores brace in friendly win|
|Djokovic struggles continue as Cilic, Dimitrov progress|
|Usain Bolt not ready for top level, says Stoger|
|Ronaldo is a goal – Santos hails Portugal star|
|Pro Bowl TE Bennett announces retirement from NFL|
|Broncos acquire Veldheer from Cardinals for sixth-round pick|
|Dustin Johnson smashes 489-yard drive at Match Play|
|Celtics star Irving to have procedure on knee|
|Giants lose Bumgarner, Samardzija to injuries days before season opener|
|Dybala and Icardi World Cup chances not over yet, says Sampaoli|
|Reed dumps Spieth out, Harman accounts for McIlroy|
|James: Colombia can´t get carried away with France win|
|Italy to wait on Verratti injury|
|Lopetegui happy with Spain showing against ´physically stronger´ Germany|
|Warriors rampant, Weir inspires Edinburgh|
|Messi has had hamstring injury for ´some time´|
|Forward-thinking Southgate makes case for England´s defence|
|McLeish to ring Scotland changes for Hungary clash|
23 de marzo 2018
|Rodrigo dedicates Spain goal to Canizares after death of son|
|France were taught a lesson in aggression by Colombia, says Deschamps|
|Late Simmonds penalty breaks Bath hearts|
|Ronaldo up to third on all-time list after Portugal brace|
|Cowboys boost receiving corps with Allen Hurns signing|
|Tigers cling on to win Elland Road thriller, Saints respond at Hull KR|
|Meunier expects PSG will sack Emery|
|Tony Romo finishes last in PGA Tour debut|
|Germany friendly emotionally important for Brazil - Tite|
|France 2 Colombia 3: Quintero completes stunning comeback in Paris|
|Portugal 2 Egypt 1: Late Ronaldo double stuns Salah-inspired Pharaohs|
|No Messi, no Magic – Sampaoli playing a risky game ignoring Dybala|
|Netherlands 0 England 1: Lingard strikes to ruin Koeman´s debut|
|Scotland 0 Costa Rica 1: McLeish suffers defeat in first game back|
|Argentina 2 Italy 0: Banega & Lanzini win it for Messi-less Albiceleste|
|Germany 1 Spain 1: Muller wonderstrike cancels out Rodrigo opener|
|Curry available to make Warriors return against Hawks|
|Paire ousts out-of-sorts Djokovic in Miami|
|Ibrahimovic: If I want to go to the World Cup, I´m there|
|Michael Bennett indicted for allegedly injuring paraplegic woman|
|Svitolina ends Osaka winning run in Miami|
|Australia not ready for World Cup – Van Marwijk|
|Turkey 1 Republic of Ireland 0: Topal strike downs O´Neill´s men|
|Norway 4 Australia 1: Kamara hat-trick spoils Van Marwijk´s Socceroos bow|
|Aguero to miss Argentina friendlies|
|Monaco rubbish reports Rybolovlev will sell club and buy AC Milan|
|Harman sends McIlroy packing in Austin|
|Messi misses Argentina-Italy game|
|Neuer cautious over comeback date despite taking positive steps|
|Lehmann slams ´disgraceful´ Newlands abuse|
|Di Maria predicts ´big change´ at PSG after Champions League failure|
|Everton defender Holgate warned for alleged homophobic tweets|
|Russia 0 Brazil 3: Coutinho on target in routine win|
|Icardi must keep performing to earn Argentina recall, says Zanetti|
|Different place, same Zlatan - Ibrahimovic determined to maintain winning DNA with LA Galaxy|
|Injured Cavendish out of Commonwealth Games|
|Experience the key for Juventus in title race, insists Trezeguet|
|Stanikzai plays through the pain to guide Afghanistan to glory|
|Lyon and Paine frustrate Proteas after Morkel joins 300 club|
|Messi lacks Maradona´s charisma, claims Batistuta|
|Usain Bolt claims he´ll return to Dortmund|
|Trezeguet confident Pogba will shine at the World Cup|
|Ibrahimovic departs Europe with remarkable haul of league titles|
|´Very, very happy´ Lanzini loves West Ham amid transfer talk|
|LA Galaxy confirm Ibrahimovic arrival|
|Pressure off soaring Falcons, says Flood|