Leafs defenseman Morgan Rielly and Lightning forward Yanni Gourde were seen shouting while chasing the puck, with Riley appearing to look to referee Brad Meier, though no player or players have been named in the investigation.Warning: NSFW language.During tonight’s @TBLightning – @MapleLeafs game, microphones picked up a player using a homophobic slur seemingly directed towards a referee. Not entirely sure who the player was, but it seems like Morgan Rielly was that player based on reports.NSFW (around 6 seconds). pic.twitter.com/O0eI5KV5uQ— Hockey Daily (@HockeyDaily365) March 12, 2019″The NHL is aware of reports that a homophobic slur was used during the Maple Leafs-Lightning game,” the league said in a statement. “The League is investigating the incident and will have no further comment until this investigation is completed.” However, the probe found that Riley did not direct a homophobic slur at Meier.Statement from Senior EVP of Hockey Operations Colin Campbell on investigation of @TBLightning – @MapleLeafs game last night at Scotiabank Arena in Toronto. pic.twitter.com/R3j7n1oJt9— NHL Public Relations (@PR_NHL) March 12, 2019Maple Leafs general manager Kyle Dubas said the club is in touch with the league, adding “the issue of homophobia is one the Toronto Maple Leafs Hockey Club strongly condemns and takes very seriously.”Toronto Maple Leafs general manager Kyle Dubas made the following statement this evening following their game versus the Tampa Bay Lightning: pic.twitter.com/o6RaA7zTQS— Leafs PR (@LeafsPR) March 12, 2019Ducks captain Ryan Getzlaf was previously fined $10,000, the maximum under the CBA, after TV cameras caught him shouting an inappropriate remark. Canadiens winger Andrew Shaw was also fined $5,000 and suspended one game for directing a homophobic slur toward an official during a playoff game when he was a member of the Blackhawks. The NHL investigated the use of a homophobic slur during the Lightning’s 6-2 victory against the Maple Leafs on Monday.Television cameras at Scotiabank Arena picked up what sounded like a homophobic slur from an unknown player during the broadcast with 1:51 remaining in the second period.