Struggling Dempster hosts the Rays. Plus Wilson, Tillman, Marcum, and more.

Medlen goes up against Bumgarner. Plus Kendrick, Porcello, Jackson, and more.

Gee's recent skill surge collides with St. Louis. Plus Sale, Zito, Liriano, and more.

Liriano faces the Cubs, plus Hammel, Volquez, Jimenez, and more.

Iwakuma gets a nice matchup vs. CHW and Ogando returns from injury. Plus Hamels, Garland, Gee, and more.

Holland matches up against Wade Davis, plus Marcum, Kluber, and Colon.

Masterson's skills are put to the test against the Reds. Plus Lynn, Rogers, Estrada, and more.

Lincecum's skill gains are put to the test against Colorado. Plus Burnett, Hefner, Saunders, and more.

Bumgarner is coming off a PQS-0 against Colorado. We look at chances of a rebound, plus Cahill, Jimenez, and more.

Shields' elite skills are put to the test against Oakland. Plus Cingrani, Cahill, Garcia, and more.

How will Miller and Lester follow up their one-hitters?