If the Colorado Avalanche ever has a full allotment of healthy forwards during the 2024-25 season, it could be the best group in the NHL. For now, the word “if” is doing a lot of work in that sentence. The Avs begin training camp Thursday, and the expectation is that captain Gabe Landeskog and jack-of-all-trades Artturi Lehkonen won’t be ready while they recover from injuries.