De La Rosa was scheduled to make his Cactus League debut Thursday against the Brewers. He won't make that start, but De La Rosa will still participate in a bullpen session Tuesday or Wednesday.
The 33-year-old veteran downplayed the injury when speaking to Saunders:
"It's still feeling a little tight, so I won't be pitching until next week," the left-hander said Tuesday morning. "It's not a big deal, but we are being cautious."
De La Rosa has already missed one scheduled spring training outing. He was supposed to start last Saturday against the Cubs at Salt River Fields before being replaced by non-roster invitee Brett Marshall.
The biggest issue with De La Rosa might not necessarily be the injury itself. After all, it's better for him to have a groin injury than an arm-related problem. However, with each missed start, De La Rosa is that much further behind schedule, which could affect his readiness for the beginning of the regular season -- particularly if he tries too hard to play catch-up once he returns to the mound.
Speaking of that, the Rockies will either start De La Rosa on Opening Day in Milwaukee or in their home opener against the Cubs, as Saunders notes. Let's just hope he's ready to go by then.