By Kevin Dillon/DFP StaffBoston University men’s hockey coach David Quinn kept knocking on wood Thursday afternoon. He did this whenever he talked about the health of his players, saying he “can’t afford not to do that,” after his team’s recent luck.Senior winger Jake Moscatel and junior winger Evan Rodriguez have not played since Jan. 4 at Harvard University, sophomore defenseman Matt Grzelcyk has been out with a shoulder injury suffered in practice Jan. 9 and freshman forward Dillon Lawrence injured his foot during BU’s (7-11-2, 2-5-1 Hockey East) Frozen Fenway contest against the University of Maine on Jan. 11.With the departure of forward Sam Kurker for the Indiana Ice of the USHL, BU is down to 16 healthy skaters as it heads to Conte Forum for its rivalry matchup with No. 3/4 Boston College Friday night.“I still think you’ve got enough bodies,” Quinn said. “On paper, it looks like, ‘Oh my god.’ Plenty of teams play 11 forwards and five D during the course of the game even when they’ve got 12 forwards dressed and six defensemen dressed.”The biggest blow of the bunch is the Grzelcyk injury, which will keep him sidelined for the rest of the season, according to Quinn. Grzelcyk leads the team with 61 shots this season, and Quinn had praised him as the team’s best player this season.Grzelcyk’s injury coming in the midst of the team’s four-game losing streak is becoming a lot to handle for the Terriers.“When it rains, it pours, huh,” Quinn said.