1. Can the duo be dynamic?

Troy Tulowitzki and Carlos Gonzalez are two of baseball’s premier players, but can they stay healthy at the same time? And will they both be in Rockies uniforms at season’s end?

2. Is the Chacin machine broken?

Top right-handed starter Jhoulys Chacin is out until at least early May because of a strained shoulder. Is that a minor setback or an injury that throws a giant wrench into the rotation?

3. Is Anderson an ace?

During spring training, left-hander Brett Anderson showed flashes that he can be the Rockies’ best pitcher. But can the LoDo new- comer avoid injury, and can he succeed at Coors Field?

4. Is there relief in sight?

Collectively, Rockies relievers were the worst in the National League in 2013. There is new blood this year — LaTroy Hawkins, Boone Logan, Chad Bettis — but will the transfusion help? And who’s the answer at closer, the 41-year-old Hawkins or Rex Brothers?

5. A catching conundrum?

Wilin Rosario can hit for power, but he still lacks game-calling and pitch-framing skills behind the plate. Can the Rockies contend with Rosario at catcher?

6. Boone or bust? The Rockies signed Boone Logan to a three-year, $16.5 million contract, the most they’ve ever given a free-agent reliever. His return from October elbow surgery has gone slower than anticipated. Can he be counted on to shore up the team’s bullpen?

7. Is there a hole in center?

With the trade of Dexter Fowler to Houston, the Rockies needed to find a new leadoff hitter and center fielder. Is newcomer Drew Stubbs the ultimate answer or will the Rockies use a platoon in center, as well as at the top of the lineup? Will that system fly?

8. Justin the nick of time?

Veteran first baseman Justin Morneau, 32, was signed to fill the shoes of the retired Todd Helton. Is there enough pop left in Morneau’s bat to boost the offense?

9. An All-Star Game for Arenado?

Third baseman Nolan Are- nado won a Gold Glove as a rookie. Can he raise his batting average, hit for power and become an all-star in his second season?

10. Who’s accountable?

If the Rockies fail to contend and finish with a losing record for a fourth consecutive year, will there be changes in the front office? Or will the players take all the heat?