Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Date | Opponent | Score | Loss | Attendance | Record |
| --- | --- | --- | --- | --- | --- |
| May 1 | Angels | 7 - 2 | Drese (2-3) | 23,536 | 13-14 |
| May 2 | Angels | 8 - 0 | Finley (2-3) | 26,068 | 13-15 |
| May 3 | Rangers | 4 - 2 | Báez (3-3) | 32,846 | 13-16 |
| May 4 | Rangers | 3 - 0 | Valdez (2-4) | 33,788 | 14-16 |
| May 5 | Rangers | 9 - 2 | Rogers (3-1) | 31,990 | 15-16 |
| May 6 | @ Orioles | 9 - 4 | Groom (1-1) | 24,976 | 16-16 |
| May 7 | @ Orioles | 4 - 3 (10) | Wohlers (0-1) | 26,455 | 16-17 |
| May 8 | @ Orioles | 6 - 2 | Erickson (3-3) | 29,361 | 17-17 |
| May 9 | @ Royals | 5 - 3 | Rincón (0-1) | 12,555 | 17-18 |
| May 10 | @ Royals | 9 - 0 | Sabathia (3-4) | 24,279 | 17-19 |
| May 11 | @ Royals | Postponed (rain) | Postponed (rain) | Postponed (rain) | Postponed (rain) |
| May 12 | @ Royals | 4 - 1 | Finley (2-4) | 10,820 | 17-20 |
| May 14 | Orioles | 6 - 5 | Julio (2-2) | 30,447 | 18-20 |
| May 15 | Orioles | 3 - 1 | Bauer (1-1) | 26,315 | 19-20 |
| May 17 | Royals | 6 - 2 | Finley (2-5) | 32,593 | 19-21 |
| May 18 | Royals | 4 - 2 | Wickman (0-1) | 29,388 | 19-22 |
| May 18 | Royals | 4 - 1 | May (0-1) | 32,110 | 20-22 |
| May 19 | Royals | 5 - 4 | Wickman (0-2) | 31,105 | 20-23 |
| May 20 | @ Tigers | 4 - 3 | Rincón (0-2) | 12,851 | 20-24 |
| May 21 | @ Tigers | 5 - 1 | Nagy (0-1) | 14,442 | 20-25 |
| May 22 | @ Tigers | 2 - 0 | Finley (2-6) | 14,396 | 20-26 |
| May 24 | @ Blue Jays | 5 - 2 | Miller (3-2) | 16,385 | 21-26 |
| May 25 | @ Blue Jays | 3 - 0 | Loaiza (2-1) | 21,589 | 22-26 |
| May 26 | @ Blue Jays | 3 - 1 | Prokopec (2-7) | 22,380 | 23-26 |
| May 27 | Tigers | 4 - 1 | Báez (4-4) | 40,652 | 23-27 |
| May 28 | Tigers | 4 - 2 | Weaver (4-6) | 25,028 | 24-27 |
| May 29 | Tigers | 9 - 5 | Riske (0-2) | 26,156 | 24-28 |
| May 30 | Tigers | 11 - 7 | Lima (1-3) | 25,689 | 25-28 |
| May 31 | White Sox | 7 - 0 | Glover (1-1) | 33,756 | 26-28 |
Question:
Who was the opponent on May 20?
Answer:
@ Tigers