Enzo Maresca highlights biggest difference between Chelsea and CelticEnzo Maresca pinpointed the difference in physical conditioning as the major factor in Chelsea's heavy defeat to Celtic.
49ers training camp: Brock Purdy added pounds and zip in the offseasonBrock Purdy focused on improving his throwing mechanics and increasing velocity by training with a coach and using motion-capture technology.
Puka Nacua opens up on first NFL offseasonPuka Nacua, a rising star in the NFL, is adjusting to a more rigorous NFL-standard offseason training regimen, following the lead of veteran teammate Cooper Kupp.
Martinez's debut with Mets delayed amid ramp upJ.D. Martinez's debut with the New York Mets delayed due to late signing and physical ramp-up.Martinez expected to stay in Florida for further conditioning before potentially playing on Tuesday.
Sources: Barca revamp fitness team amid concernBarcelona is overhauling its fitness department after complaints about the team's physical condition last season.