In a single game, score 20 or more runs (not achievable in RTTS; only earned if playing an uninterrupted game against the CPU, without switching sides or fast forwarding).
Turn a double play by striking out the batter and throwing out the runner stealing (not achievable in RTTS; only earned if playing an uninterrupted game against the CPU, without switching sides or fast forwarding).
Hit a home run immediately after an intentional walk (only earned if playing an uninterrupted game against the CPU, without switching sides or fast forwarding).
Pull off a successful 1-2-3 double play (not achievable in RTTS; only earned if playing an uninterrupted game against the CPU, without switching sides or fast forwarding).
As the pitcher, induce 15 or more ground outs in a single game (only earned if playing an uninterrupted game against the CPU, without switching sides or fast forwarding).
Draw a walk with the first hitter of an inning (only earned if playing an uninterrupted game against the CPU, without switching sides or fast forwarding).
Earn a save by throwing all fastballs (one and two-out saves don't qualify; only earned if playing an uninterrupted 9-inning game against the CPU, without switching sides or fast forwarding).
As the pitcher, escape from a no out, bases loaded jam without any of the runners scoring (only earned if playing an uninterrupted game against the CPU, without switching sides or fast forwarding).
After getting hit by a pitch, hit a home run on that player's following at-bat (only earned if playing an uninterrupted game against the CPU, without switching sides or fast forwarding).