Manager Eric Wedge acknowledged that Cliff Lee has a tendency to be stubborn, and Jeremy Sowers has a tendency to overthink, and those attributes could be contributing to the troubles of the pair.

"We've got to plug in and look at everything, fundamentally and mentally," Wedge said. "We'll have the conversations that need to be had and try to point them in the right direction."

The Indians anticipated that Sowers might go through some rough stretches in his first full big-league season, but they didn't count on him going 1-6 with a 6.63 ERA to start the year.

On the mechanical side, Sowers has had trouble finishing his pitches. On the mental side, his intellectual nature might be getting the best of him, Wedge said.

"Jeremy is a thinker," Wedge said. "He needs to make his mind work for him, not against him. This is when you really need to dig deep and draw from your confidence. Any pitcher is going to go through some of that."

The Indians didn't expect Lee to go through what he has in the early going, but his absence from Spring Training play and the first month of the season certainly didn't help.

Lee had one outstanding, complete-game outing against the Angels on May 8 and a solid start against the Reds on May 18. Aside from that, he has been inefficient, and largely ineffective since his return to the rotation, compiling a 2-3 record and 6.35 ERA, including an 8.92 ERA over his last five starts.

When it comes to his struggle to be efficient, Lee has often cited hitters' ability to foul off good pitches he throws. Wedge didn't seem particularly supportive of that explanation.

"He needs to understand he needs to do something different," Wedge said. "He can't let someone have a 15-pitch at-bat against him and expect to last deep into a ballgame."

Wedge implied getting through to the 28-year-old Lee isn't always easy.

"Is he stubborn?" Wedge said in response to a reporter's question on the subject. "Yes, he's stubborn. We all have some of that. That's part of his competitiveness. Now, it's up to him to make adjustments."

Westbrook watch: The Indians will make an adjustment to their rotation upon Jake Westbrook's return, and the right-hander will take the next step toward that return later this week.

Westbrook threw a bullpen session at Jacobs Field on Tuesday and will make his second rehab start Friday at Double-A Akron.

Westbrook's first rehab outing for Triple-A Buffalo last Friday was a rough one, as he gave up five runs on seven hits in just 1 1/3 innings against Toledo. Wedge said the Indians don't get caught up in the results of rehab starts, but Westbrook said that one bothered him.

"If I feel good, I ought to be able to perform well," Westbrook said. "You still have to have results. You can't just throw it up there and what happens happens. I still want to get the guy out."

The Indians will deem Westbrook ready to return when he can get into the 90-95 pitch count range. In his next start, he'll be limited to a maximum of 75 pitches.

Here's the question... The Indians have the 13th overall pick in Thursday's First-Year Player Draft. The last time they picked at No. 13 was in 1991. Can you name the player they took with that selection?

Powering up: With 12 home runs through 47 games, catcher Victor Martinez is already on pace for more homers in the first half (20) than he hit in all of last season (16).

Martinez's power numbers declined each year from 2004, when he had a slugging percentage of .492 with 23 homers, to '05 (.475, 20) to '06 (.465, 16).

"It's always been in there," Wedge said of Martinez's power. "But the power doesn't lead. Victor's a hitter first. [The power is] a byproduct of him being more consistent and using the entire field. His patience has helped him, as well."

Taking a swing at cancer: The Indians are once again taking part in the annual "Home Run Challenge" put on by Gillette, Major League Baseball and the Prostate Cancer Foundation.

Prostate cancer is the most diagnosed non-skin cancer in America, and baseball is doing its part to raise awareness by encouraging fans to help fight the disease by pledging money for each home run hit during select Major League games from June 6-17.

To make a pledge to the effort, visit www.gillettepcc.org or call 1-800-798-CURE (2873).

Tribe tidbits: Franklin Gutierrez, who homered in the bottom of the third, made his third start of the season in right field Tuesday night, spelling Trot Nixon, against left-handed Royals starter Jorge De La Rosa. ... The Northern Ohio Region of the American Red Cross has just two pints of O Negative blood on the shelf, and the Indians are doing their part to help out by holding a blood drive from 1-8 p.m. ET on Wednesday at the Carnegie driveway located next to Gate D at Jacobs Field. Walk-in donors will be accepted, or eligible donors can call 1-800-GIVE-LIFE to schedule an appointment. Those who donate will be eligible to win a $500 gas card and will receive discount tickets for the Sept. 21 game against the A's.

Down on the farm: Second baseman Luis Rivas fell a triple short of the cycle, going 4-for-5 with two RBIs, in Buffalo's 9-3 win over Toledo on Monday. Left-hander Jason Stanford gave up two runs on three hits in three innings, and Jake Dittler allowed a run on three hits over five innings to post the win. ... Second baseman Jared Goedert, right fielder Nathan Panther and shortstop Josh Rodriguez all had a pair of RBIs in Class A Kinston's 9-8 win over Wilmington. ... Hector Rondon gave up four runs (three earned) on seven hits over four innings in Class A Lake County's 4-0 loss to Delmarva.

And the answer is... Manny Ramirez was the Tribe's pick at No. 13 in 1991.

On deck: A three-game set with the Royals continues at 7:05 p.m. ET Wednesday. Right-hander Paul Byrd (6-1, 3.57 ERA) will start opposite right-hander Brian Bannister (1-3, 3.89).

This story was not subject to the approval of Major League Baseball or its clubs.