Official 2011 WTA Statistics Leaders:
http://www.tennisforum.com/showthread.php?t=448677
Thanks to Julian.
Masha ranked highly in four of the lists:
RETURN GAMES WON:
1. Maria Sharapova 49.7% (56)

2. Victoria Azarenka 49.0% (72)
3. Monica Niculescu 48.5% (36)
4. Kim Clijsters 47.9% (28)
5. Anabel Medina Garrigues 46.0% (54)
6. Caroline Wozniacki 45.9% (80)
7. Klara Zakopalova 45.5% (54)
8. Agnieszka Radwańnska 45.2% (64)
9. Marion Bartoli 44.7% (83)
10. Jelena Jankovic 44.4% (59)
POINTS WON RETURNING 1ST SERVICE:
1. Maria Sharapova 43.8% (56)

2. Monica Niculescu 43.4% (36)
3. Klara Zakopalova 43.1% (54)
4. Urszula Radwanska 42.9% (21)
5. Kim Clijsters 42.6% (28)
6. Lourdes Dominguez Lino 42.3% (31)
7. Anabel Medina Garrigues 42.1% (54)
8. Victoria Azarenka 42.0% (72)
9. Carla Suarez Navarro 41.9% (27)
10. Caroline Wozniacki 41.7% (80)
POINTS WON RETURNING 2ND SERVICE:
1. Kim Clijsters 61.6% (28)
2. Maria Sharapova 61.2% (56)

3. Victoria Azarenka 60.8% (72)
4. Caroline Wozniacki 59.7% (80)
5. Monica Niculescu 59.2% (36)
6. Agnieszka Radwanska 59.1% (64)
7. Sara Errani 59.0% (56)
8. Dominika Cibulkova 58.9% (60)
9. Peng Shuai 58.7% (69)
10. Jelena Jankovic 58.6% (59)
BREAK POINTS CONVERTED:
1. Anabel Medina Garrigues 54.9% (54)
2. Maria Sharapova 54.8% (56)

3. Kateryna Bondarenko 54.4% (24)
4. Klara Zakopalova 52.4% (54)
5. Monica Niculescu 52.2% (36)
6. Alize Cornet 51.8% (27)
7. Alisa Kleybanova 51.7% (26)
8. Melanie Oudin 51.5% (27)
9. Agnieszka Radwanska 51.1% (64)
10. Lourdes Dominguez Lino 51.0% (31)
These statistics confirmed that she has the best return games on the tour.
