Troy Tulowitzki is the pulse of the Rockies. He doesn't need to be the happy face. At 27, Tulowitzki wants to be a better teammate, a better leader. He reviewed last season, listened to advice and arrived this spring ready to take on a larger role, receiving a formal nudge from Todd Helton.

Fact is, Tulo shouldn't worry about the big picture. Not right now. Other than keeping an even keel in the clubhouse, he doesn't need to change. Tulo has a temper. He throws helmets. He slams his fist. He plays with intensity. It's in his DNA.

Does it make him less likable to some fans and opponents? Without question. But it's also what has helped him finish second in the rookie of the year voting and in the top eight of the National League MVP voting three times.

Tulo respects the game, devours its history. Portraying the right image has become increasingly important to him as he has grown older. Listen, I'd never tell someone not to try to improve himself. But Tulo's first priority is being a great player, not making friends or holding teammates accountable for mistakes.