Jackie Joyner-Kersee

(9.) Joyner-kersee winned the heptathlon a second time in a 1992 Olympics.

SPELLING: ok
CAPITALIZATION Proper nouns (people and animals)
PUNCTUATION ok
GRAMMAR & USAGE Verb tense (irregular past tense) Articles (the vs. a or an)

Joyner-Kersee won the heptathlon a second time in the 1992 Olympics.

(10.) Me and Darlene think this gracful woman is the most greatest female athlete ever!

SPELLING: graceful
CAPITALIZATION ok
PUNCTUATION ok
GRAMMAR & USAGE Pronouns case (of subjects) Pronouns (order of)
Comparison (double comparison)

(10.) Darlene and I think this graceful woman is the greatest female athlete ever!