2009-10: Gavrus skated in 41 games for Neman Grodno in the Belarus second league and represented Belarus at the 2010 U18 World Junior Championship. He scored 14 goals with 12 assists and 22 penalty minutes for Neman Grodno. The youngest player for Belarus at the U18 WJC, he had 1 assist and was minus-three. Despite being the host team Belarus was unable to avoid relegation; finishing last in the ten-team tournament.
2010-11: Gavrus skated in 19 games with Neman Grodno in the second league and was the leading scorer for Belarus at the 2011 U18 Division I B World Junior Championship. He scored 4 goals with 4 assists and had 22 penalty minutes for Neman Grodno. In five games for Belarus, he scored 4 goals with 6 assists and was plus-four. Belarus was fourth in the six-team tournament. Gavrus was drafted by Atlant Mytishchi in the first round (18th overall) of the KHL Draft and selected by Owen Sound (OHL) in the first round (55th overall) of the CHL Import Draft.
2011-12: Gavrus skated in 45 games for Owen Sound in his first OHL season – missing time due to a concussion and a wrist injury. He scored 15 goals with 22 assists and was minus-three with 18 penalty minutes. Gavrus appeared in one game during the Attack's five-game first round series with Kitchener. He was invited to the NHL Draft Combine and ranked 60th amongst North American skaters in Central Scouting's final rankings prior to the 2012 NHL Draft.
Dynamic, highly-skilled, and blisteringly fast are just some of the words that best describe what Gavrus brings to the table. He's the type of player that can make elite plays with the puck at top-speed and lift fans out of their seats. He's shifty and elusive and shows great puck possession ability while in the offensive end. The biggest problem for Gavrus, is his propensity to get hurt. He plays the game with a lot of jam, fearlessness and energy, which unfortunately lends to putting himself into situations that can compromise his health. The catch is, if he doesn't play that way he's not as effective a player.
There is absolutely no denying that Gavrus is a supremely talented offensive player with top-six skill. However what will ultimately determine if he'll ever make at the NHL level will be his ability to stay healthy. He can't change the way he plays, but at the same time, for his own self-preservation, he'll have pack on some muscle and get a little stronger.