"The chances of Colorado ace Ubaldo Jimenez being dealt are now "around 50/50," according to one major league source close to the talks.

For the moment, though, some of the suitors are dismayed at what they believe are high demands. An executive of one interested team described the current price tag as "unrealistic." But that could change in the days leading up to Sunday's 4 p.m. ET non-waiver deadline."