The Owls striker is expected to be out for six weeks due to a hamstring injury. Reaction to his setback has been mixed.
The Owls have won just one of their last eight Championship games, losing six of those, and an increasing number of fans are getting increasingly frustrated with Jos Luhukay's management.
In a further blow, Fernando Forestieri has been ruled out for six weeks - the entirety of the busy festive period - due to a hamstring injury, the Owls manager confirmed in his press conference.
The 28-year-old tore his muscle after stepping off the bench in last week's defeat at Blackburn Rovers, and scans now have revealed the full extent of the damage.
Forestieri has blown hot and cold somewhat this season, scoring three goals and putting in some decent displays, but also failing to nail down a first-team place due to injuries and suspensions.
All in all, the Italo-Argentine forward has made just six starts this term, and news of his injury were met with a mixed reception by Wednesday fans on Twitter:
great signing.. Wednesday have been right mugs..the money we have wasted..joke— spider (@Northstand69) 7 December 2018
It’s Xmas time again he wants to spend it in his own country just like last year— mark bolton (@markb73) 7 December 2018
Won't be playing for us again then.... at a new club in Jan along with a few others no doubt....— dAve Fletcher (@_dAveFletcher_) 7 December 2018
Get rid— Jack Sprat (@jspratswfc) 6 December 2018
Hes off in jan. Gutted, something seriously wrong at wednesday— Emma Lou (@emmillslukes) 6 December 2018
Hopefully he will be fit enough for the January transfer window— Dan (@DJDanLisa) 6 December 2018
Others, meanwhile, laid the blame at the club and their medical team:
Our medical and fitness team must be the worst in the entire country. Never in my life have I seen a team so inept at getting and keeping players fit for matches.— Reece Davies (@ReeceDaviesSWFC) 6 December 2018
Do the medical team literally go around hitting players shins, knees and ankles with sledgehammers during the week?— Alexander (@Official_Burton) 7 December 2018
Only our club could lose our best player for one month, then he comes back for 3 games then gets injured for me 2 months , gonna be a long season...— Karl Fox (@KDF1990KDF) 7 December 2018
Is this guy our doctor?? Did he go to upstairs medical college? pic.twitter.com/su1s40504U— John 'Velvet Thunder' Poole (@JMPLovesyou) 7 December 2018
Forestieri has made 101 appearances for Wednesday since his 2015 move from Watford, scoring 35 goals and registering 16 assists (Transfermarkt).